KDDI Research, Inc.

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For any other inquiries than above, send us an inquiry form. Before you make an inquiry, please read the following.


We will be responsible for managing the personal information you give us and will only use it for the purpose of answering your inquiry. We will not disclose your personal information to any third party (excluding relevant divisions at any KDDI Group company) or use it for any other purpose.


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Any reply we make is for the purpose of answering your inquiries only. Diverting or reusing all or part of our e-mail with permission is prohibited.


A relevant KDDI group company division may respond to you directly, depending on the nature of your inquiry. Please note that in some cases, it may take some time to reply.


We are not able to answer all inquiries from customers. Please do not send us sales or solicitation e-mails, or e-mails for any purpose other than inquiries.


Visits to the facility are by appointment only through KDDI Group employees. Currently, it is intended for customers such as companies and research institutes, and is not available to general customers.