Site Policy
This site, "Tokyo Data Platform," is managed and operated by the Tokyo Metropolitan Government.
Accessibility Policy
This site aims to comply with the grade "AA" of the Japanese Industrial Standards JIS X 8341-3:2016 "Guidelines for Designing for the Elderly and Persons with Disabilities Information and Communications Equipment, Software, and Services - Part 3: Web Content" (hereinafter “JIS X 8341-3”).
Scope
This page will be located under the Tokyo Data Platform homepage (https://www.tdpf-hp.metro.tokyo.lg.jp/).
The following content is out of scope due to operational difficulties.
- Content, images, videos and other materials that do not have data for modification (i.e., cannot be modified)
- YouTube video content
- Meeting materials and related content (PDF data, etc.) provided by external parties
Note
Some of the content (with file extensions .png, .jpg, and .mp4) used on the web pages in the following directories has been provided by third parties, and there are cases in which the Tokyo Metropolitan Government does not have the original files to be able to modify them, or cannot modify them due to copyright restrictions.
https://www.tdpf-hp.metro.tokyo.lg.jp/news/Verification Results
As of March 14, 2025, this website confirms to level AA. For details, please refer to the test results based on JIS X 8341-3:2016.
Privacy Policy
This site collects information about users to the extent necessary for the smooth operation of the services it provides (provision of information via this site, reception of various opinions, etc.).
The Tokyo Metropolitan Government will handle the collection, use and management of information appropriately as follows, in accordance with the "Act on the Protection of Personal Information (Act No. 57, 2003)," and will strive to make this a website that everyone can use with confidence.
What is Personal Information?
Personal information refers to information that can identify a specific individual, such as an address, name, telephone number, or email address, that is provided to Tokyo Metropolitan Government through this site.
Scope of Application
This policy applies only to this site (https://www.tdpf-hp.metro.tokyo.lg.jp) and does not apply to other sites linked to this site. The handling of information at linked sites is the responsibility of each respective organization.
Collection of Personal Information
When the Tokyo Metropolitan Government (implementing agency) collects personal information through this site, such information shall, in principle, be provided (registered) voluntarily by the user themselves.
            When collecting personal information, the Tokyo Metropolitan Government will clearly indicate the purpose for which it is collected.
            Personal information will be collected only to the extent necessary to achieve the stated purpose.
Use of Personal Information
- The Tokyo Metropolitan Government will use the personal information it obtains only within the scope of the intended purpose. If the Tokyo Metropolitan Government intends to use the information beyond the scope of the intended purpose, it will ask for your prior consent.
- When acquiring personal information, the Tokyo Metropolitan Government will clearly state the purpose for which it will be used in advance. If the Tokyo Metropolitan Government changes the purpose for which such information is used, it will ask for the consent of the individual.
- The Tokyo Metropolitan Government may entrust the handling of personal information to third parties. In such an event, the Tokyo Metropolitan Government will manage personal information in an appropriate manner, including by entering into contracts with relevant contractors regarding the handling of personal information.
Provision of Personal Information to Third Parties
When providing personal information to third parties, the Tokyo Metropolitan Government will ask for your prior consent, unless otherwise stipulated by laws and regulations. The Tokyo Metropolitan Government will not provide personal information to third parties without the individual's consent.
Personal Information Safety Management System
- In order to prevent the loss, falsification or leaking of personal information, the Tokyo Metropolitan Government will perform proper safety management of personal information, including information security, and strive to prevent unauthorized access to, or leaking, loss or falsification of personal information.
- In order to ensure proper management of personal information, the Tokyo Metropolitan Government will appoint an officer to be responsible for managing the safety thereof.
- The Tokyo Metropolitan Government will regularly review its management systems and efforts to protect personal information and strive for continuous improvement in these areas.
- The Tokyo Metropolitan Government will provide training to employees, staff and other personnel who handle personal information on the protection and proper management of personal information, and will thoroughly ensure the appropriate handling of personal information in the operations described in this document.
Disclosures, Corrections, Suspension of Use, etc.
When you request the disclosure, correction, etc. of their own personal information based on the Personal Information Protection Act, this site will respond appropriately in accordance with the laws and regulations.
User Information That Does Not Include Personal Information
This site automatically collects information such as internet domain names, IP addresses, and the browsing environment used to view this site (hereinafter "user information"). The information collected about users will be limited to the purpose of improving the usability of this site, and will only be used within that scope. However, statistically processed information about access to this site, browsing environments, etc. may be made public.
Use of Google Analytics
This site uses Google Analytics, an access analysis tool provided by Google LLC, to measure site traffic in order to improve service levels and the operations of this site. Google Analytics uses cookies issued by this site to collect site usage data (access status, traffic, browsing environment, etc.) without including any personally identifiable information. The use of cookies is subject to Google's Privacy Policy and Terms of Service. Data thus collected will be used only for the purposes of analyzing site usage, compiling reports for site operators, and providing other services. Please visit the Google Analytics website for information on the Google Analytics Privacy Policy and Terms of Service.
You can also opt out of being tracked by Google Analytics by using the Google Analytics Opt-out Browser Add-on. The Google Analytics Opt-out Browser Add-on is a feature developed to allow site users to disable the use of their data via JavaScript.
            To use this feature, please download and install said add-on on your browser.
Rights
Copyright (Where Creative Commons License Is Not Used)
Each piece of information published on this site (text, photographs, illustrations, etc.) is subject to copyright. Additionally, the entire Tokyo Metropolitan Government official website is an edited work and is thus subject to copyright, with both being protected by copyright law. Reproduction or reuse without permission is prohibited, except in cases permitted by copyright law, such as "reproduction for personal use" or "quotation."
Links
In principle, all parties are free to link to this site, regardless of whether it is for commercial or non-commercial purposes. However, please refrain from setting up links that fall under or are likely to fall under any of the following:
- Linking in a way that is intended to slander or disparage the reputation of Tokyo Metropolitan Government or any other person, company or organization.
- Linking as part of an act that infringes or may infringe the copyrights, trademarks or other intellectual or other property rights, privacy, or image rights of the Tokyo Metropolitan Government, or any other person, company or organization.
- Linking in a way that displays this site within a frame or in other ways that makes it unclear that the content is from Tokyo Metropolitan Government, and may thus be misleading to third parties.
- Linking as part of any act beyond the above that violates laws, regulations, ordinances, or public order and good morals, or that may disrupt the operation of this site.
- Linking using logos or trademarks owned by the Tokyo Metropolitan Government without permission.
- Linking in a manner that may cause misidentification of the source of information. Please note that the URL of this site may change without notice. Please also note that the Tokyo Metropolitan Government will not bear any responsibility for any compensation or complaints related to the links.
Technology
Recommended Environment
For a safer and more pleasant experience using this site, we recommend the following browsers:
- Latest version of Microsoft Edge
- Latest version of Google Chrome (including Android)
- Latest version of Mozilla Firefox (including Android version)
- Latest version of Safari (including iOS)
Technologies Used
- Cookies
- This site uses cookies to provide users with a more convenient browsing experience when they visit, as well as to obtain information for the continuous improvement of this site. Cookies are information related to the operation of this site sent to users’ browsers from servers and are recorded on users' computers. However, the information recorded does not include any personally identifiable information such as users’ names, addresses, or telephone numbers. Further, cookies will not have any direct adverse effects on users' computers. In order to understand the access status of each page, this site may use cookies from third-party companies to which the Tokyo Metropolitan Government outsources services. Users can refuse to receive cookies by manipulating their browser settings themselves. Even if users choose to do so, it will not cause any significant disruption to the browsing of this site. For instructions on how to set up your browser, please refer to the help file for your software, or contact the manufacturer.
- JavaScript
- This site uses JavaScript for some of its content to facilitate the browsing experience. Please note that if JavaScript is not enabled in your browser settings, the site may not be displayed correctly, or you may not be able to operate it.
- SSL (TLS)
- In order to improve the level of security, this site uses TLS encrypted communication for some of its services. To use these services, your web browser must support TLS 1.2. By using a web browser that supports security features, personal information entered by users, such as name, address, or telephone number, is automatically encrypted before being sent or received. Even if a third party intercepts the transmitted data, there is no need to worry about the contents being stolen. Depending on your firewall and other settings, there may be cases where you are not able to use this page.
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              Adobe Reader, from Adobe KK, is required to view PDF files. If you do not have Adobe Reader installed or if the contents of this site are not displayed correctly, please download the latest version before viewing the site.
 This site uses JavaScript for some of its content to facilitate the browsing experience. Please note that if JavaScript is not enabled in your browser settings, the site may not be displayed correctly, or you may not be able to operate it.
Information Security Policy
This site continues to operate thanks to the trust of its users and protects information assets from threats in order to fulfill its social mission as a government agency.
- In order to maintain the safety and accuracy of information assets, the Tokyo Metropolitan Government will endeavor to prevent unauthorized access, destruction, falsification, loss, or leaking of data, and will implement appropriate safety measures.
- The Tokyo Metropolitan Government will handle information assets in accordance with the Tokyo Metropolitan Government’s Basic Policy on Cybersecurity, as well as relevant laws, regulations, and other standards.
- When outsourcing the processing of information assets, the Tokyo Metropolitan Government will ensure that the process is properly managed.
- The Tokyo Metropolitan Government will establish systems for continuous improvement and strive to maintain and improve information security.
Terms of Use and Legal Matters
Disclaimer
The Tokyo Metropolitan Government does not provide any guarantee as to the completeness or accuracy of the information posted on this site. The information contained herein may be changed without notice. The Tokyo Metropolitan Government is not liable for any direct or indirect losses incurred as a result of using the information or content provided on this site.
Prohibitions
The following actions are prohibited when using this site.
- Any act that interferes with or disrupts the operation of this site.
- Any act that causes or may cause inconvenience, disadvantage, or damage to the privacy of other users, third parties, or the Tokyo Metropolitan Government.
- Any act that is or may be contrary to public order and morals.
- Any act violating laws, regulations or ordinances.
- Any other act that the Tokyo Metropolitan Government deems inappropriate.
Changes to Terms of Use
The contents of this site policy may be changed or deleted without notice.
Governing Law and Jurisdiction
Use of this site and site policies are governed by Japanese law unless otherwise specified.
            Additionally, all disputes relating to the use of this site shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.
Cookies Policy
Use of Cookies and Similar Technologies
This site collects certain information using cookies and similar technologies in order to analyze usage by users, improve our services, and provide services and advertising that are more relevant to each individual visitor. This policy explains how this information is handled. Please also refer to our Privacy Policy regarding the handling and transfer of personal information.
What are Cookies and Similar Technologies?
Cookies are data that is sent from a site and stored on a device (such as a computer or mobile device) when a user accesses a site, and serve as tags to identify their devices. By using cookies, it is possible to obtain information such as the number of times a device has visited a site and other sites a visitor has previously visited. You can disable cookies and similar technologies by changing your browser settings as described below under "How to Disable Cookies and Similar Technologies."
Purpose of Use of Cookies and Similar Technologies
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              Understanding Usage Status and Investigating Service Improvements
 This site may use cookies and similar technologies to collect, analyze, and use information about how visitors use this site in order to improve the site and the services the Tokyo Metropolitan Government provides to users. For these purposes, this site primarily uses the following tools:
 Google Analytics tools provider: Google LLC.- Google Analytics Terms of Service
- Google Privacy Policy
- Google Analytics uses cookies issued by this site to analyze visitor usage of the site (access status, traffic, routing, etc.). The Tokyo Metropolitan Government receives the results of such analysis from Google LLC, thus ascertaining visitor usage. For more details, please see the following URL.
 Google Privacy and Terms
- Information about Google Analytics is also available at the following sites:
 Safeguarding Your Data - Analytics Help
 
How to Disable Cookies and Similar Technologies
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              How to Disable All Cookies
 Cookies stored on a user's device will remain stored on that device until the user intentionally deletes them or until they reach their respective expiry deadlines. Most commonly used browsers are set to accept cookies by default, but users can disable cookies by changing the settings on their browsers. Please refer to the links below for instructions on how to change cookie settings in each browser.
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              How to Disable Individual Cookies
 To disable Google Analytics as described in Purpose of Use of Cookies and Similar Technologies (1) above, please download and install the Google Analytics Opt-out Browser Add-on from the page provided by Google LLC at the following link and change your browser's add-on settings. Please note that using this add-on may affect your use of Google LLC's products and services.- Google Analytics Opt-out Browser Add-on Download the Google Analytics Opt-out Browser Add-on here
 
Inquiries
*The form is in Japanese. Please use machine translation as needed.
 
      