Before inquiries

Please kindly look thorough the frequently asked questions and answers before contacting us.

Frequently Asked Questions

Contact Form

Please fill out the following form with your inquiry and necessary information.
We will reply to your email address shortly.
It may take some time for our reply and your understanding would be very much appreciated.
In case of Inquiry, please kindly read the following privacy policy and send the contact form upon agreed with the contents.

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Inquiries by phone

Tokyo Office


Reception hours: 10 am – 9 pm

Nasu Head Office


Reception hours: 9:30 am – 18:00 pm

Privacy Policy

In SD corporation (our company below), to comply with the Code and other laws and regulations regarding personal information, care is taken to ensure the protection of important personal information of our customers.

1.About the collection of personal Information

Our Company may collect personal information to the extent when we think it is necessary.

2.For the use of personal information

We will use the following personal information collected from our customers.
(1)For the confirmation of the customers.
(2)For the answers to inquiries from customers.
(3)For the questionnaire.
(4)For providing the services to customers.

3.Safety management of personal information

In order to prevent the loss, damage, manipulation or divulgation of personal information, we set up a “Security Policy” and takes adequate measures against unauthorized access for the security of information.

4.Consignment of personal information

In case if we consign part or all of personal information to third parties, we make sure to the safety management of personal information under the supervision.

5.Provision of Personal Information to Third Parties

Our company will not disclose or provide personal information to third parties without the consent of the said person.

6.Disclosure of personal information, correction, etc..

Our company will correspond immediately based on the customer’s request on correction or deletion of personal information. For further information, inquiry and complaint regarding disclosure / correction / termination of use / etc. and handling of personal information, please contact us via following contact information.

SD Corporation
Phone: 0287-62-8388


Our company assigns Mr.Hiroshi Shimizu as a responsible person for the privacy policy and conducts the appropriate management and improvement of personal information.

8.Change of the Policy

The contents of the policy may be changed depending on the situations and will be effective on the date listed on this web site.

Enactment Date: October 5th, 2018
Hiroshi Shimizu, President
SD Corporation