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FAQ

For inquiries about NTT's research and development, please contact us via the following email address:

For inquiries about Sustainability at NTT, please contact us from here.

For inquiries about Sustainability

For inquiries about NTT's environmental activities, please contact us from here.

Inquiries about NTT's environmental activities

For inquiries about NTT's procurement and introduction of products, please contact us from here.

Inquiries about procurement

For inquiries about NTT's procurement and introduction of products, please contact us from here.

Inquiries about procurement
Product Introduction Form

NTT welcomes product introductions from suppliers. Please submit a product introduction form with the required fields filled in

Product Introduction Form

For inquiries about Intellectual Property Center, please contact us from here.

Inquiries about Intellectual Property Center

For inquiries about NTT Technology Licensing Site, please contact us from here.

Inquiries about NTT Technology Licensing Site

For inquiries other than the above, please contact us from here.

Other inquiries

Notes

■ Any personal information that you provide will be used to reply to your inquiry and offer information.
■ In principle, we will reply to your inquiry via the email address that you have provided to us. However, replies may not be sent or received if addresses are mistyped, if there is a disruption in the network, or for other reasons.

- In the case an incorrect email address was typed when registration was made or an order was placed
There are many cases where email addresses are typed using double-byte characters, or where addresses are entered with the wrong domain name.
- In the case of security and anti-virus software
Some settings may cause replies from us to be determined as spam.

■ It may take a few days or more until a reply is made or a reply cannot be made depending on the inquiry. In addition, we cannot accept requests that we make replies at specific times.

- As one of the most innovative companies in IP and patent area. NTT received the award for 10th consecutive year
- Established a council to promote secure digital economy together with multi-national companies
- NTT is the first telecommunications operator to become a member of global initiatives to make smarter use of energy, “EP100” and “EV100” (Oct. 2018)