Making ‘the real thing’
NTKJ’s motto and guiding philosophy can perhaps best be translated from
Japanese as “making ‘the real thing.'”

We constantly challenge ourselves to improve and innovate, and strive to satisfy
customer needs and deliver the best possible products using our cutting-edge technology.

In addition to this goal, NTKJ also supports environmental protection and protection of customer privacy.
Company President Koichi Sato

NTKJ recognizes our responsibility to do our best to minimize our impact on the environment.

Our objectives include reducing the use of unnecessary resources and minimizing the production of waste.

In order to contribute to worldwide prosperity, we aim to achieve the following fundamental principles of environmental assurance。

Environmental activities are one of our top priorities.

  • ・NTKJ continuously assesses the environmental impact of our business activities.
  • ・NTKJ works to minimize the burden on the environment.
  • ・NTKJ complies with environmental laws.
  • ・NTKJ will disclose information regarding its environmental activities to
  • ・ensure better communication with stakeholders.
  • ・NTKJ ensures all our employees understand and follow our environmental policy.


NTKJ reduces waste generation and recycles materials as much as possible by adhering to the following:

  • ・Recycling and reusing plastic materials.
  • ・Recycling and reusing mold materials.
  • ・Sorting industrial waste in order to facilitate recycling and reusing materials.
  • ・Ensuring all employees understand and follow the environmental policy.

Cherry blossoms outside
the Kumagaya Factory


Handling of personally identifiable information

To enable us to provide you with information about our products and services, you provide personally identifiable information (“Personal Information”) that includes name, address, date of birth, gender, telephone number, and e-mail address. In some cases, to enable us to provide information tailored to your needs, we ask for other personally identifiable information. NTKJ regards such information, with the exception of required information items, as information that you have provided voluntarily.

Personal Information means any information that may be used to identify an individual, including, but not limited to, a first and last name, a home or other physical address and an e-mail address or other contact information, whether at work or at home.

Any Personal Information you provide to NTKJ via the NTKJ site will only be used by NTKJ to improve the services NTKJ provides to you. NTKJ makes every effort to ensure the secure collection, transmission, and storage of Personal Information in accordance with the nature of such data.

Where NTKJ is under no obligation to monitor and/or review any input placed on the NTKJ site by users and assumes no responsibility or liability whatsoever relating to any such user input, NTKJ reserves the right to check from time to time such user input and to remove any such input from the site without justification.

Terms and Conditions

Terms and conditions of use

Nihon Tokushu Kogaku Jushi Co.,Ltd. (the “Company”) imposes the following conditions regarding the use of services provided through the website (the “Website”) operated by the Company. Usage of the Website is subject to compliance with the conditions described here.

Copyrights and Other Rights

The rights associated with all content published on the Website are the property of the Company, or otherwise the content is used through permission obtained by the Company. Viewing the site at liberty is welcomed; however, unauthorized usage and duplication of any and all content of the Website without permission from the Company is prohibited.

Limitation of Liability

The Company exercises meticulous care in the information on the Website with respect to updates and operations, but in no way guarantees that the information contains no errors, is useful, or is suited for the purposes of customers.
The Company assumes no liability for incidents, losses, or damages arising out of the information published in the Website or the use of the Website.
Prices and details of all products and services are subject to change without notice. Information published on the Website may be modified without notice. Please be aware in advance that the operations of the Website may be interrupted or canceled.
Regardless of the reason, the Company assumes no liability for incidents, losses, or damages arising out of modification of information on the Website, or interruption or cancellation of Website operations.


Requests to link to the Website should be made directly to the respective point of inquiry that handles the published page. The following forms of linking are strictly denied.
Link from sites with defamatory, libelous, or credibility-damaging content concerning the Company or its products and services.
Links from sites with content contrary to upholding public order and morals.
Links from sites that publish illegal content, or are involved with or potentially involved with the illegal activities.

Sending materials

No material, information, or idea which is sent to or displayed on this site shall be treated as confidential or proprietary. Such material, information, or data may be advertised or used for any purpose including, but not limited to, product development, manufacturing, or marketing.
You shall not display on or send to this site any illegal, threatening, libelous, defamatory, obscene, scandalous, inflammatory, pornographic, blasphemous, and other materials which may cause civil or criminal liability under any laws.

Revised Terms and Conditions of Use

These conditions for usage are subject to change without notice.

Applicable law

All rights and use pertaining to this site and copyrighted works included in this site shall be governed by the laws of Japan.