Privacy Policy

Confidentiality of Documents

Keystone Agency shall make every effort to safeguard the confidentiality of all documents and personal information transmitted electronically.

Information relating to the translation, the nature thereof, and any information transmitted to Keystone Agency shall be treated in absolute confidence. Keystone Agency shall not publicly divulge in any way the aforementioned information without obtaining written authorization from the sender, with the exception of collaborators or subcontractors previously authorized by Keystone Agency who require such information to perform their jobs and are held to the same standards described herein.

These guarantees shall not be applicable in the event that Keystone Agency is required by law to communicate such information or in the event that such information becomes public domain, independently from divulgement of such information by Keystone Agency.

Practices for collecting and distributing information in Keystone Agency’s possession are as described below:

  • Automatically Collected Information

We use your IP address (the one that unequivocally identifies the host at that particular time) and cookies to identify you while accessing our site.

Keystone Agency uses a form to acquire information related to an order, from which the name, company, and contact information of the individual is obtained.


Newsletters & Emails

We may send you emails for a variety of reasons Our communication may include information about our services, provided you have not revoked your consent for such usage, which you may do at any time by writing to

Any emails we send are saved by us and any emails that may be regarded as business letters will not be deleted during the statutory retention period. Furthermore, in the case of our newsletter emails, we record (e.g. by means of a so-called “tracking pixel”) whether an email is opened and which links in the email are clicked on; we do so to optimize our offers and tailor their design to meet your needs. We use this data to enable us to send newsletter contents that match your profile.

If you wish to object to this use of your data, you can do so by unsubscribing to our newsletters. We may also use service providers from outside Japan to send our emails. We strive to ensure that the statutory conditions for the cross-border use of personal details are fulfilled.


Supplier and Collaborator Privacy

The personal information of our suppliers and freelance collaborators (suppliers, translators, interpreters, graphic designers, affiliates, consultants, etc.) are processed with utmost confidentiality. The only information which is provided to third parties is the information contained in the document you supply to Keystone Agency. Other information, including full name and contact information, are only used by Keystone Agency for purposes related to current contracts.


Right to Change or Delete Information

Users may change their information or ask for their information to be deleted at any time, including emails sent to any email address with the domain as well as navigation data and cookies.


Navigation Data

The computer systems and programs used for our website’s operation collect some personal data whose transmission is implicit in the use of Internet communication protocols (e.g., IP addresses or domain names of computers used by users who connect to our website, URI [Uniform Resource Identifiers] of resources requested, the time of request, method used to submit the request to the server, file size obtained in response, numerical code for the status of the response submitted by the server (successful, error, etc.) and other parameters related to the user’s operating system and computer environment). Although this information is not collected to be associated with identified users, through processing and in association with data held by third parties, it could by its very nature allow for users to be identified.

These data types are used solely to obtain statistical information pertaining to the website’s usage and serve to check our site’s proper operation; they are thus not associated with any given user and are deleted immediately after processing. The data could be used to ascertain responsibility in the case of computer crimes against the site: with the exception of this eventuality, data on web contacts are currently not held for more than seven days.



Cookies are small text files sent by websites visited by users to their computers, storing information that will be retrieved on their next visit to our website. While accessing a given website, users may receive on their computers cookies transmitted from different websites (so-called ‘third-party’ cookies), as specific links to the web pages of other domains.

Cookies can be used for a variety of purposes, depending on the websites on which they are installed; they can be used as a method of information authentication, to monitor sessions, or store specific data on users accessing the server.


Types of Cookies

Technical cookies: these are “strictly necessary” to ensure the website’s operability or to provide services explicitly requested by the user, e.g., memorizing the browser navigation language setting.

Functionality cookies: our website uses these cookies to facilitate its fruition (e.g., to store information gathered within a single web browser session and entered by users in forms while accessing the different pages, or the use of the password memorization function), as well as cookies for collecting information with the aim of directing targeted promotional messages based on user preferences and profiles, even in real time, and developed on the basis of statistics and each user’s browsing experience. The installation of such cookies requires the user’s prior consent.

Analytics cookies: the website makes use of this type of cookies to analyze accesses and visits to our website, solely for statistical purposes, by collecting information in an aggregated form. The use of such cookies does not require consent. However, users can request at any time that analytics cookies be deactivated by following the instructions outlined by the provider of browser in use. For further information, please refer to the privacy policies of Google Analytics, Google Adwords, and Twitter.

Users have the right to accept or refuse the use of cookies at any time, or to remove any cookies previously accepted by changing their browser settings. However, with cookies disabled on your browser, you will no longer be able to make use of all of our website’s services and features.


Social Features

Any data reported to or from a social networking website will be subject to the respective general user terms thereof.