Privacy Policy

The Japanese version of this Privacy Policy is the official version. The English version is provided for reference purposes only.

About This Site

The URL of this site is


We manage and safely protect your privacy and personal information received by your contacts, user registration, and so on.
Personal information refers to data that can identify you, such as your name, address, etc.

We use the received information only for the following purposes:

  • To answer the question from you.
  • To provide information about registered products.
  • To provide information about the services and the products to customers.
  • To convey important information.
  • For Marketing of RK Kaihatsu.

How to get

RK Kaihatsu obtains personal information in a legitimate manner. We collect this information with your consent or based on the stipulations provided on the website.

Disclosure of Personal Information

RK Kaihatsu will not disclose personal information received from customers except in the following cases.

  • When statistically processed information is made non-personally identifiable
  • When the consent of the person in question has been obtained
  • When disclosing information under a warrant, order, or law issued by a court of law
  • When there is a request for information from a government agency by legal and appropriate procedures

Correct or Delete Personal Information

When we receive a request for correction or deletion of personal information from the customer themselves, we will work on the request after confirming the customer’s identity.


If you have any questions, please use the contact form.

Personal Data Collected By This Site and Reasons

Embedded Contents from Other Sites

This website contains embedded content (movies, images, articles, etc.). They act as same as when the user visits those sites.

These sites may collect your data, use cookies, embed additional third-party tracking, and monitor and track the embedded contents. If you are signing in to these sites, it may contain the tracking of embedded content.

About the Traffic Analytics Tool

This site uses Cloudflare Web Analytics. It doesn’t use cookies and localStorage. Traffic data is anonymized, and it doesn’t specify the person.

For more about Cloudflare Web Analytics, see the official website.

About the Cookie

This site uses cookies. A cookie is a small information saved in your web browser from the site. This site’s cookie doesn’t contain personal information.


RK Kaihatsu is not responsible for handling personal information on websites linked from the RK Kaihatsu website that RK Kaihatsu does not control.

This Privacy Policy is subject to change without prior notice by enactment or change of laws and regulations.

October 2, 2023