Privacy Policy

Privacy Policy - MESON Website

MESON, inc. (“We”, “Our” or “Us”) may, in providing the website that We manage (URL: (the “Website”), acquire personal information of our customers (including users of the Website), business partners, and candidates for employment.

We have established this privacy policy (this “Policy”) in recognition of the importance of protecting personal information, and will comply with the Act on the Protection of Personal Information, other laws and regulations, and the guidelines of the Personal Information Protection Commission (collectively, the “Laws and Regulations”) as well as this Policy to handle personal information appropriately.

The terms used in this Policy have the meanings defined in the Act on the Protection of Personal Information.

1. Information About Us

Corporate name: MESON, inc.


Representative: Yuki Kobayashi

2. How Personal Information is Used

We will acquire and use personal information within the scope of the following purposes (the “Purposes of Use”):

[Personal information of customers]

  • Creations and protections of customer accounts for services that We provide, identification, personal authentication, and provision of other services.
  • Settlement of payments for products and paid services that We provide.
  • To send products purchased by customers.
  • To notify customers of information regarding maintenance and updates of the Website and other services that We provide, changes to the Terms of Use, customer payments, and other information related to customer’s use of the services.
  • To provide customers with information on sales, exhibitions, campaigns, prize competitions, and other events relate to products and services that We offer.
  • To respond to customer requests for information materials, inquiries, consultations, complaints, and after-sales services.
  • To detect users who violate the Terms of Use, notify such users, and investigate, detect, and prevent fraudulent activities such as fraud and unauthorized access that abuse Our services, in order to safely provide the Website and other services to customers.
  • To research and analyze customer attribute information, browsing history, purchase history, and other information We acquired, in order to understand customer interests, preferences and needs (including the creation of credit scores and other statistical data, conducting marketing research and surveys, and providing the results of these to third parties).
  • Improvements and enhancements of customer’s creation, purchase and other experiences in the Websites or other services that We provide, provision of customer supports, and developments of new services (including those based on the above research and analyses).
  • Advertisements regarding products and services that meet the interests and preferences of customers (including those based on the above research and analyses).
  • Providing information to third parties in other ways as described in this Policy.

[Personal information of business partners]

  • To manage business partner information
  • To conduct business meetings
  • To provide information to and communicate with business partners
  • To perform contracts with business partners

[Personal information of candidates for employment]

  • To conduct recruitment activities, post-employment human resources and safety management, and related operations.

3. Third Party Provision of Personal Information

We will not provide your personal information to third parties except in the following cases:

  • when we have received your prior consent;
  • when required by Laws and Regulations;
  • cases in which there is a need to protect a human life, body or fortune, and when it is difficult to obtain your consent;
  • cases in which there is a special need to enhance public hygiene or promote fostering healthy children, and when it is difficult to obtain your consent;
  • cases in which there is a need to cooperate in regard to a central government organization or a local government, or a person entrusted by them performing affairs prescribed by Laws and Regulations, and when there is a possibility that obtaining your consent would interfere with the performance of the said affairs; or
  • cases in which the handling of personal data is entrusted to a third party within the scope necessary to achieve the Purposes of Use (in such case, We will exercise necessary and appropriate supervision over the entrusted party to ensure the security control of personal information).

4. Security Control Actions

We will take necessary and appropriate actions for prevention of leakage, loss, or damage of personal information that We handle and for other security control of personal information. For more information on the security control actions taken by Us, please refer to “9. Inquiry Contact” below.

5. Procedures for Requests for Disclosure, etc.

When We receive a request to disclose, correct, add or delete the contents of, cease the use of, erase, or cease the third party provision of, or disclose the records concerning provision to a third party of personal information, We will promptly respond to such requests after confirming the identity of the individual in accordance with prescribed procedures. Please contact Us at the address below to make such requests.


Please note that a fee (1,000 yen per request) will be charged for requests for disclosure, etc.

6. Disclaimer

While every effort is made to ensure the accuracy of the information on the Website, We assume no responsibility for any actions taken by users based on the information on the Website.

7. Copyrights

All text, images, videos, logos, marks, and other content on the Website are protected by copyrights, trademark rights, portrait rights, and other rights. Please refrain from using, reprinting, or diverting them without Our permission.

8. Links

You are free to place a link to the Website. However, depending on the content or other considerations of the website from which the link originates, We may refuse to establish the link.

9. Inquiry Contact

If you have any questions, concerns, complaints, or other inquiries regarding Our handling of personal information, please contact us using the Inquiry Form.

10. Revisions to this Policy and other Improvements

We will endeavor to respond appropriately to changes in the social environment regarding the handling of personal information. In addition, if necessary, We will make efforts to improve the handling of personal information by, for example, changing, modifying or adding to various regulations including this Policy. If We change this Policy, We will post it on the Website. Please use the Website after thoroughly confirming the contents of the latest Policy posted on the Website.

Established on August 1, 2022

Revised on September 6, 2023


Privacy Policy - SunnyTune App

1. Introduction

Welcome to MESON, inc.

MESON, inc. (“us”, “we”, or “our”) operates SunnyTune application (hereinafter referred to as “Service”).

Our Privacy Policy governs your visit to SunnyTune application, and explains how we collect, safeguard and disclose information that results from your use of our Service.

We use your data to provide and improve Service. By using Service, you agree to the collection and use of information in accordance with this policy. Unless otherwise defined in this Privacy Policy, the terms used in this Privacy Policy have the same meanings as in our Terms and Conditions.

Our Terms and Conditions (“Terms”) govern all use of our Service and together with the Privacy Policy constitutes your agreement with us (“agreement”).

2. Definitions

SERVICE means the SunnyTune application operated by MESON, inc.

PERSONAL DATA means data about a living individual who can be identified from those data (or from those and other information either in our possession or likely to come into our possession).

USAGE DATA is data collected automatically either generated by the use of Service or from Service infrastructure itself (for example, the duration of a page visit).

COOKIES are small files stored on your device (computer or mobile device).

DATA CONTROLLER means a natural or legal person who (either alone or jointly or in common with other persons) determines the purposes for which and the manner in which any personal data are, or are to be, processed. For the purpose of this Privacy Policy, we are a Data Controller of your data.

DATA PROCESSORS (OR SERVICE PROVIDERS) means any natural or legal person who processes the data on behalf of the Data Controller. We may use the services of various Service Providers in order to process your data more effectively.

DATA SUBJECT is any living individual who is the subject of Personal Data.

THE USER is the individual using our Service. The User corresponds to the Data Subject, who is the subject of Personal Data.

3. Information Collection and Use

We collect several different types of information for various purposes to provide and improve our Service to you.

4. Types of Data Collected

Personal Data

While using our Service, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you (“Personal Data”). Personally identifiable information may include, but is not limited to:

Cookies and Usage Data

- Usage Data

We may also collect information that your browser sends whenever you visit our Service or when you access Service by or through a device (“Usage Data”).

This Usage Data may include information such as your computer's Internet Protocol address (e.g. IP address), browser type, browser version, the pages of our Service that you visit, the time and date of your visit, the time spent on those pages, unique device identifiers and other diagnostic data.

When you access Service with a device, this Usage Data may include information such as the type of device you use, your device unique ID, the IP address of your device, your operating system, the type of Internet browser you use, unique device identifiers and other diagnostic data.

- Location Data

We may use and store information about your location if you give us permission to do so (“Location Data”). We use this data to provide features of our Service, to improve and customize our Service.

You can enable or disable location services when you use our Service at any time by way of your device settings.

- Tracking Cookies Data

We use cookies and similar tracking technologies to track the activity on our Service and we hold certain information.

Cookies are files with a small amount of data which may include an anonymous unique identifier. Cookies are sent to your browser from a website and stored on your device. Other tracking technologies are also used such as beacons, tags and scripts to collect and track information and to improve and analyze our Service.

You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our Service.

Examples of Cookies we use:

  • (a)Session Cookies: We use Session Cookies to operate our Service.
  • (b)Preference Cookies: We use Preference Cookies to remember your preferences and various settings.
  • (c)Security Cookies: We use Security Cookies for security purposes.
  • (d)Advertising Cookies: Advertising Cookies are used to serve you with advertisements that may be relevant to you and your interests.

5. Use of Data

MESON, inc. uses the collected data for various purposes:

  • (a)to provide and maintain our Service;
  • (b)to notify you about changes to our Service;
  • (c)to allow you to participate in interactive features of our Service when you choose to do so;
  • (d)to provide customer support;
  • (e)to gather analysis or valuable information so that we can improve our Service;
  • (f)to monitor the usage of our Service;
  • (g)to detect, prevent and address technical issues;
  • (h)to fulfill any other purpose for which you provide it;
  • (i)to carry out our obligations and enforce our rights arising from any contracts entered into between you and us, including for billing and collection;
  • (j)to provide you with notices about your account and/or subscription, including expiration and renewal notices, email-instructions, etc.;
  • (k)to provide you with news, special offers and general information about other goods, services and events which we offer that are similar to those that you have already purchased or enquired about unless you have opted not to receive such information;
  • (l)in any other way we may describe when you provide the information;
  • (m)for any other purpose with your consent.

6. Retention of Data

We will retain your Personal Data only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use your Personal Data to the extent necessary to comply with our legal obligations (for example, if we are required to retain your data to comply with applicable laws), resolve disputes, and enforce our legal agreements and policies.

We will also retain Usage Data for internal analysis purposes. Usage Data is generally retained for a shorter period, except when this data is used to strengthen the security or to improve the functionality of our Service, or we are legally obligated to retain this data for longer time periods.

7. Transfer of Data

Your information, including Personal Data, may be transferred to – and maintained on – computers located outside of your state, province, country or other governmental jurisdiction where the data protection laws may differ from those of your jurisdiction.

If you are located outside United States and choose to provide information to us, please note that we transfer the data, including Personal Data, to United States and process it there.

Your consent to this Privacy Policy followed by your submission of such information represents your agreement to that transfer.

MESON, inc. will take all the steps reasonably necessary to ensure that your data is treated securely and in accordance with this Privacy Policy and no transfer of your Personal Data will take place to an organization or a country unless there are adequate controls in place including the security of your data and other personal information.

8. Disclosure of Data

We may disclose personal information that we collect, or you provide:

(a)Disclosure for Law Enforcement.

Under certain circumstances, we may be required to disclose your Personal Data if required to do so by law or in response to valid requests by public authorities.

(b)Business Transaction.

If we or our subsidiaries are involved in a merger, acquisition or asset sale, your Personal Data may be transferred.

(c)Other cases. We may disclose your information also:

  • (ⅰ) to our subsidiaries and affiliates;
  • (ⅱ) to contractors, service providers, and other third parties we use to support our business;
  • (ⅲ) to fulfill the purpose for which you provide it;
  • (ⅳ) for any other purpose disclosed by us when you provide the information;
  • (ⅴ) with your consent in any other cases;
  • (ⅵ) if we believe disclosure is necessary or appropriate to protect the rights, property, or safety of the Company, our customers, or others.

9. Security of Data

The security of your data is important to us but remember that no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your Personal Data, we cannot guarantee its absolute security.

10. Your Data Protection Rights Under General Data Protection Regulation (GDPR)

If you are a resident of the European Union (EU) and European Economic Area (EEA), you have certain data protection rights, covered by GDPR. – See more at

We aim to take reasonable steps to allow you to correct, amend, delete, or limit the use of your Personal Data.

If you wish to be informed what Personal Data we hold about you and if you want it to be removed from our systems, please email us at

In certain circumstances, you have the following data protection rights:

  • (a)the right to access, update or to delete the information we have on you;
  • (b)the right of rectification. You have the right to have your information rectified if that information is inaccurate or incomplete;
  • (c)the right to object. You have the right to object to our processing of your Personal Data;
  • (d)the right of restriction. You have the right to request that we restrict the processing of your personal information;
  • (e)the right to data portability. You have the right to be provided with a copy of your Personal Data in a structured, machine-readable and commonly used format;
  • (f)the right to withdraw consent. You also have the right to withdraw your consent at any time where we rely on your consent to process your personal information;

Please note that we may ask you to verify your identity before responding to such requests. Please note, we may not be able to provide Service without some necessary data.

You have the right to complain to a Data Protection Authority about our collection and use of your Personal Data. For more information, please contact your local data protection authority in the European Economic Area (EEA).

11. Your Data Protection Rights under the California Privacy Protection Act (CalOPPA)

CalOPPA is the first state law in the nation to require commercial websites and online services to post a privacy policy. The law’s reach stretches well beyond California to require a person or company in the United States (and conceivable the world) that operates websites collecting personally identifiable information from California consumers to post a conspicuous privacy policy on its website stating exactly the information being collected and those individuals with whom it is being shared, and to comply with this policy. – See more at:

According to CalOPPA we agree to the following:

  • (a)users can visit our site anonymously;
  • (b)our Privacy Policy link includes the word “Privacy”, and can easily be found on the page specified above on the home page of our website;
  • (c)users will be notified of any privacy policy changes on our Privacy Policy Page;
  • (d)users are able to change their personal information by emailing us at

Our Policy on “Do Not Track” Signals:

We honor Do Not Track signals and do not track, plant cookies, or use advertising when a Do Not Track browser mechanism is in place. Do Not Track is a preference you can set in your web browser to inform websites that you do not want to be tracked.

You can enable or disable Do Not Track by visiting the Preferences or Settings page of your web browser.

12. Your Data Protection Rights under the California Consumer Privacy Act (CCPA)

If you are a California resident, you are entitled to learn what data we collect about you, ask to delete your data and not to sell (share) it. To exercise your data protection rights, you can make certain requests and ask us:

(a)What personal information we have about you. If you make this request, we will return to you:

  • (ⅰ)The categories of personal information we have collected about you.
  • (ⅱ)The categories of sources from which we collect your personal information.
  • (ⅲ)The business or commercial purpose for collecting or selling your personal information.
  • (ⅳ)The categories of third parties with whom we share personal information.
  • (ⅴ)The specific pieces of personal information we have collected about you.
  • (ⅵ)A list of categories of personal information that we have sold, along with the category of any other company we sold it to. If we have not sold your personal information, we will inform you of that fact.
  • (ⅶ)A list of categories of personal information that we have disclosed for a business purpose, along with the category of any other company we shared it with.

Please note, you are entitled to ask us to provide you with this information up to two times in a rolling twelve-month period. When you make this request, the information provided may be limited to the personal information we collected about you in the previous 12 months.

(b)To delete your personal information. If you make this request, we will delete the personal information we hold about you as of the date of your request from our records and direct any service providers to do the same. In some cases, deletion may be accomplished through de-identification of the information. If you choose to delete your personal information, you may not be able to use certain functions that require your personal information to operate.

(c)To stop selling your personal information. We don't sell or rent your personal information to any third parties for any purpose. You are the only owner of your Personal Data and can request disclosure or deletion at any time.

Please note, if you ask us to delete or stop selling your data, it may impact your experience with us, and you may not be able to participate in certain programs or membership services which require the usage of your personal information to function. But in no circumstances, we will discriminate against you for exercising your rights.

To exercise your California data protection rights described above, please send your request(s) by one of the following means:

By visiting this page on our website:

Your data protection rights, described above, are covered by the CCPA, short for the California Consumer Privacy Act. To find out more, visit the official California Legislative Information website. The CCPA took effect on 01/01/2020.

13. Service Providers

We may employ third party companies and individuals to facilitate our Service (“Service Providers”), provide Service on our behalf, perform Service-related services or assist us in analyzing how our Service is used.

These third parties have access to your Personal Data only to perform these tasks on our behalf and are obligated not to disclose or use it for any other purpose.

14. Analytics

We may use third-party Service Providers to monitor and analyze the use of our Service.


Mixpanel is provided by Mixpanel Inc.

You can prevent Mixpanel from using your information for analytics purposes by opting-out. To opt-out of Mixpanel service, please visit this page:

For more information on what type of information Mixpanel collects, please visit the Terms of Use page of Mixpanel:

15. CI/CD tools

We may use third-party Service Providers to automate the development process of our Service.


GitHub is provided by GitHub, Inc.

GitHub is a development platform to host and review code, manage projects, and build software.

For more information on what data GitHub collects for what purpose and how the protection of the data is ensured, please visit GitHub Privacy Policy page:

16. Links to Other Sites

Our Service may contain links to other sites that are not operated by us. If you click a third party link, you will be directed to that third party's site. We strongly advise you to review the Privacy Policy of every site you visit.

We have no control over and assume no responsibility for the content, privacy policies or practices of any third party sites or services.

17. Children's Privacy

Our Services are not intended for use by children under the age of 13 (“Children”).

We do not knowingly collect personally identifiable information from Children under 13. If you become aware that a Child has provided us with Personal Data, please contact us. If we become aware that we have collected Personal Data from Children without verification of parental consent, we take steps to remove that information from our servers.

18. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

We will let you know via email and/or a prominent notice on our Service, prior to the change becoming effective and update “effective date” at the top of this Privacy Policy.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

19. Contact Us

If you have any questions about this Privacy Policy, please contact us:

By visiting this page on our website:

Established on January 26, 2024

MESON collaborates with visionary companies to create inspiring spatial computing products across all sectors, diverse array of perspectives and expertise.

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