Privacy Policy・Site Policy

Privacy Policy

Mitsuboshi Diamond Industrial Co., Ltd. (hereinafter referred to as MDI) recognizes the importance of personal information, and has established a privacy policy and operates as follows in order to appropriately collect, use, and protect such information and conduct security control.

Personal Data Protection
Handling of Personal Information

We have established a management system for the appropriate protection of personal information, and collect, use and disclose them in accordance with laws and regulations.
When collecting personal information from you, we disclose the purpose of collection and use the data within the scope of the purpose only.
This website is using SSL (Secure Socket Layer) encryption technology on pages where personal information can be entered in order to protect your privacy.
SSL provides communications security over a computer network by encrypting the entered data before transmitting from your device to our server.

Contact Form

Your name, company name, telephone number, and other information will be required to enter in the inquiry form for contact from you. Such personal information will only be used for communication regarding your inquiry.


This website uses cookies.
Cookies are small pieces of data sent from a website and stored on the user’s computer by the user’s web browser while the user is browsing.
They were designed for websites to remember stateful information or to record the user’s browsing activity, and to make browsing more user-friendly, effective and secure.
Cookies do not harm your computer and do not contain viruses.
It is possible to reject collecting information by changing and adjusting the according cookie settings in your internet browsing software.
However, please note that disabling cookies may limit the functionality of this website.

Privacy Policy for the Use of Google Analytics

We use Google Analytics, an access analysis tool provided by Google.
Google Analytics uses cookies to collect access information. This access information is collected anonymously and does not identify the individual. Google Analytics cookies are sent and stored to Google servers in United States. It is possible to reject collecting information by changing and adjusting the according settings in your internet browsing software. Click here to view the Google Analytics terms and conditions.



Site Policy



Except those that are otherwise specifically described, all rights (including but not limited to copyright and other intellectual property rights) and registered material (text, illustrations, image, video, etc.) of information posted on this site are reserved by Mitsuboshi Diamond Industrial Co., Ltd. In addition, the information posted on this website may not be used for commercial purposes such as advertisement or sale of products. Unauthorized replications, transmissions, distributions, modifications, excisions, etc. are in violation of the Copyright Act.
If you have an inquiry in this matter, please contact us selecting “other” on the Contact form.


Links out of this website and the contents thereof are held responsible by each owners of those links and are not managed or controlled by the supervision of MDI.
MDI does not assume any responsibility for any damage caused by the contents of links made available through this website.


MDI does not guarantee complete accuracy, usefulness, reliability, safety and other details of the contents on this website.
MDI does not assume any responsibility for damage occurred based upon the contents of this website.
MDI may wish to change or delete the contents or URLS on this website without notice. The website may not necessarily always reflect the most recent information available.
Also, MDI may suspend or discontinue running specific content on this website without notice. MDI does not assume responsibility for any damage caused by these statements above.
MDI may change our site policy without notice. Please note that in this case, after the changes have been made we will then start applying the revised site policy.