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privacy policy

privacy policy

C-INK Co., Ltd. (former company name: Colloidal Inc., hereinafter referred to as "our company") has acquired a lot of customer information in its business activities.
In order to fully recognize the social responsibility of using such personal information, take it seriously as a risk related to personal information, and build, maintain and improve rational management measures, our own personal information protection management We will build a system and operate it reliably.

1. Basic policy

We will comply with the Personal Information Protection Law and other related laws and norms. In addition, we have established a personal information protection management system as our rules, and we will steadily implement it and strive for continuous improvement.
In addition, we will inform officers and employees of our rules, strive to comply with them, and establish a management system for personal information protection.

2. Appropriate management

We will endeavor to keep personal information accurate and up-to-date. In addition, in order to prevent loss, leakage, falsification, destruction, etc. of personal information, we will carry out appropriate safety management and take necessary countermeasures.

3. Purpose of use of personal information

We will clearly define the purpose of use of personal information used in business, clearly indicate it to everyone in advance, and acquire only the content necessary to achieve the purpose of use.
In addition, after acquisition, we will thoroughly educate employees, etc. to ensure that they are used only within the scope of the purpose of use presented at the time of acquisition.

4. Response policy

We will respond promptly and sincerely to inquiries, complaints, and inquiries regarding the handling of personal information.

<Contact for inquiries regarding the handling of personal information>

C-INK Co., Ltd.

Personal information protection manager

TEL: 0866-92-5111


This policy will be posted on our website (
We will notify you of any important changes or notices on our website.
Please see the notice.

Masayuki Kanahara, President and CEO of Colloidal Inc. Date of establishment May 1, 2016
--Revision due to company name change--
C-INK Co., Ltd.
Masayuki Kanahara, President and CEO Revised date December 1, 2016

About the use of personal information

Personal information will be acquired within the scope necessary to achieve the following purposes of use and will be handled appropriately.
* Includes publicly available information.

  • Production, printing and shipping of printed matter (pamphlets, leaflets, envelopes, business cards, etc.)

  • Website production

  • Issuance of e-mail newsletter

  • Providing service information incidental to the above

  • Requesting materials and responding to inquiries

  • Responding to our job application

  • Employment management of our employees

In order to achieve the above purpose of use, we may outsource the handling of personal information provided to our business partners (printing companies, production companies, writers, cameramen, etc.).
In that case, we will select a company with sufficient protection of personal information and take necessary and appropriate measures such as concluding a contract regarding the handling of personal information.

About provision of personal information

We will not disclose or provide your personal information to third parties except in the following cases.

  1. When required by law

  2. With your consent

  3. When it is necessary for the protection of human life, body or property and it is difficult to obtain the consent of the customer

  4. When entrusting the handling of personal information to the extent necessary to achieve the purpose of use

  5. When business is succeeded due to merger, company split, business transfer or other reasons

Request procedure for disclosure, etc.

We will respond to disclosure, notification of purpose of use, correction, addition or deletion, suspension of use, erasure and suspension of provision to third parties regarding the personal information subject to disclosure.

1) How to confirm the person or agent


・ We will contact you with your name, address, and telephone number. If you do not contact us with your ID number, we will call you back to confirm.

​ ・ In the case of an agent, we will confirm the agent's name, address, telephone number, person's name, address, and telephone number by telephone. For important personal information, we will respond to disclosure, etc. after sending a power of attorney by fax.

2) Fee

Please note that you will be charged for the request for disclosure and the request for notification of the purpose of use.

If you wish to disclose personal information in writing on the "Invoice for Disclosure of Personal Information, etc.", a fee of 1,050 yen will be required for each invoice.

Regarding the fee, please enclose the fee for 1,050 yen in the "Invoice for Disclosure of Personal Information" by postal fixed amount small exchange and mail it to the reception desk.

<Reception desk for disclosure, etc.>

C-INK Co., Ltd.

Personal information protection manager

TEL: 0866-92-5111


Name of authorized personal information protection organization and destination for complaint resolution

Our company is a target business of an authorized personal information protection organization. For complaints and inquiries regarding the handling of personal information, you can also make a request to the following. Please note that this is not a contact for inquiries regarding our products and services.

Name of certified personal information protection organization: Japan Institute for Promotion of Digital Economy and Society

Complaint resolution request destination: Personal Information Protection Complaint Counseling Room

Address: 12F, Roppongi First Building, 1-9-9 Roppongi, Minato-ku, Tokyo 106-0032

Phone number: 03-5860-7565 / 0120-700-779

Other matters

  1. Some services provided by the Company (including the services of the website operated by the Company) may not be available if the customer does not provide personal information. Please note.

  2. When you call our customer inquiries, we may record the contents of the call in order to listen to your request without omission.

  3. We are not responsible for ensuring the security of your personal information on the websites of other companies linked from our website.

  4. We may revise the personal information protection policy in order to continuously improve the personal information protection management system or due to changes in related laws and regulations.

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