Site Policy

Precautions When Using This Website

Thank you for using the DKK website (hereinafter “Website”). Please be sure to read the following Site Policy before viewing or using this Website. Please also note that the content of this Site Policy is subject to change without prior notice.

Copyrights, Etc.

All text, photographs, illustrations, videos, and other materials on this Website are protected by copyrights, trademarks, and other rights held by DKK Co., Ltd. (hereinafter “DKK”), its affiliated companies, and third parties.

Text, photographs, illustrations, videos, and other materials on this Website may be displayed, reproduced, printed, or otherwise used, provided that they are not reused in an environment where they can be viewed by third parties or used for commercial purposes. They also may not be altered in any way. In addition, even if such materials are used on the assumption that they will not be reused in an environment where they can be viewed by third parties or used for commercial purposes, any indication of copyrights or other rights may not be removed.


The use of this Website shall be done at the responsibility of the user. Although DKK takes care in the preparation and management of the text, photographs, illustrations, videos, links, and other information on this Website, please note that no guarantees are made concerning the accuracy and completeness of any of the information.

DKK may change the information on this Website at any time without prior notice.

DKK accepts no liability whatsoever for any damage caused by any information, including data, obtained by users from this Website. In addition, DKK accepts no liability whatsoever for any damage caused by the use of information obtained from other websites linked to this Website.

The information on this Website includes the current strategies, plans, and forecasts for DKK and its affiliated companies. Forecasts for future performance are calculated based on management assumptions and opinions in light of the information available to DKK at the time the materials are prepared or posted on this Website. Therefore, there are various factors that may cause actual results to differ from forecast values.

Governing Laws and Court of Jurisdiction

The laws and ordinances of Japan shall apply to the use of this Website.

Unless otherwise provided, any disputes related to the use of this Website shall come under the exclusive jurisdiction of the Tokyo District Court as the court of first instance.

Recommended Usage Environments

Recommended browsers (latest official version of the browsers below)

  • Microsoft Edge
  • Google Chrome
  • Firefox
  • Safari

Required Plugins

This Website contains content in PDF format. The following plugins and software are also recommended to enjoy the content of this Website.

Adobe Acrobat Reader is required to view PDF files.

GET Adobe Acrobat Reader

Adobe Acrobat Reader download page


Some pages on this Website use JavaScript to facilitate usage. If JavaScript is not turned on (enabled) in your browser settings, the website may not function or display correctly.


Some pages on this Website use cookies.

Cookies are a function that enables more convenient use of this Website. They do not collect any personal information. They are also used to measure the usage status of this Website.


This Website may use SSL (Security Sockets Layer Protocol) to protect users’ personal information.

SSL is a security function intended to protect important information such as personal information exchanged over the internet from being intercepted by third parties. Personal information entered on this Website is encrypted before its transmission or reception.

Personal Information

Personal information provided by users of this Website will be handled in accordance with the separate Privacy Policy.


If you would like to link your website to this Website (, please contact us via the Contact Us page.

Please note that we will carry out checks and may refuse to allow linking in some cases.


Please read the notes on each page of this Website as well, as there may be other notes than those listed above.