d/dt Arch. ("d/dt Arch.,""we,""us," or "our") operates and manages www.d-dt.co.jp and its subdomains (hereafter conjointly referred to as "this website"or "our website"). The following is our policy on how we handle personal data collected on this website.

1. Definition of Personal Data

Personal data, or personal information is any information (such as a name, date of birth, gender, postal code, address, telephone number, mail address, occupation, etc.) related to an identifiable individual.

2. Personal Data Collected on this Website

When you correspond to us using our website’s Contact Form, you will be asked to provide your full name, country and email address in the mandatory fields. We also have a non-mandatory field requesting your company name.

3. Use of the Collected Personal Data

We use your personal data collected above to answer inquiries, provide information about our service, and contact you for future interactions such as business meetings.

4. Third Party Data Sharing

We do not disclose your personal data to third parties except for certain circumstances such as where:

  • -we are legally obliged to do so
  • -it is necessary to protect our business and website by identifying and blocking disruptive use
  • -there is a need to investigate or warn of potential criminal activity
  • -we have your prior consent to share your data to provide service by sharing your information with our business partners

5. How We Handle Personal Data

We take steps to handle your personal data securely, so that it is protected from unauthorised disclosure, loss, alteration and disruption by applying appropriate technical and organisational security measures, in compliance to the Japanese data privacy laws and regulations.

6. SSL Certification

This website is SSL(Secure Socket Layer) certified, which means that online transactions between the users and the web server are encrypted. Your personal data sent via our Contact Form will be kept private and secure.

7. Automatically Collected Data

This website uses Google Analytics to measure traffic and usage trends in order to improve its usability and user experience.

Google Analytics uses cookies to collect statistical data such as the total numbers of visits and viewer activity on the site. These data alone do not identify individuals.

We do not connect personal data collected from our Contact Form with any information obtained from Google Analytics.

If you do not want cookies to be placed on your device, please adjust the setting on your browser to delete and reject the setting of cookies. Refer to your browser’s help menu for further details.

8. Changes to Our Privacy Policy

We may change this privacy policy due to changes in relevant legal or regulatory requirements, or in our business practices.

Any changes we may make to our privacy policy in the future will be posted on the News segment on this website and our social media outlet where appropriate.

9. Rights in Respect of Your Information

Under Japanese privacy laws, you have the right to request a copy of your information we hold, ask for correction of any inaccuracies, or request that your information be deleted.
We may need to request specific information from you to help us confirm your identity and ensure your rights stated above.

10. Contact

If you have any questions about this Privacy Policy, please contact us at:
Contact Form

Or in writing to:

d/dt Arch.
Mikawadai Heights 305
4-3-6 Roppongi
Minato-ku, Tokyo
106-0032 Japan

Updated June 15, 2021.

We provide thorough architectural services to bring your ideal project to life: design brief development, site survey, site purchase advice, preliminary to detailed design, building permit and approvals submission, tender assessment, building cost management, construction supervision, etc.

Please do not hesitate to contact us via the contact form for further information or to arrange a free initial consultation session.