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New Establishment and Revision of the Japanese Industrial Standards (JIS) (November 2018)

Establishment and revision of the JIS, including heat dissipation of graphite sheets used for smartphones and accessibility of telecommunications equipment

November 20, 2018

The Japanese Industrial Standards (JIS) is a collection of national standards stipulating the criteria for products to be sold in Japan, including their types/scales, quality/performance and safety. The Ministry of Economy, Trade and Industry (METI) has been revising and newly establishing such standards in response to societal and technological changes. METI publicly introduces the newly established and revised standards which are especially important for the economy and for the public once a month in a press release.

1. Outline of the new establishment and revision of standards

In November 2018, METI newly established 21 standards and revised 11 standards (see Appendix 1). In particular, METI believes that the following establishment of new standards is especially important.

(1) Establishment of the JIS for heat dissipation of graphite sheets used for smartphones and other devices

Heat dissipation graphite sheets are used for small electronic devices, such as smartphones and tablet terminals, which are devices becoming dramatically popular in recent years, for their high thermal diffusivity. However, no standard for methods to simply calculate the thermal diffusivity of such sheets had been stipulated.

In light of this backdrop, METI established the new JIS R 7240 (method for calculating the thermal diffusivity for heat dissipation graphite sheet), taking advantage of the Standards Development Program for the Creation of New Markets. This standard will allow industries to assess the performance of thermal characteristics of heat dissipation graphite sheets in a simple and appropriate manner, and this is expected to promote development of such sheets with high performance and prevent inferior-quality products from entering the domestic markets.

Appearance of a graphite sheets

(2) Revision of the JIS for accessibility of telecommunications equipment

Electric telecommunications equipment represent indispensable devices in society in the networked and digital information age. METI considers that the usability of electronic telecommunications equipment such as smartphones should be such that everyone can operate them without undue difficulty, including elderly and people with disabilities, and it has been striving to stipulate a variety of JIS concerning design guidelines with this consideration in mind.

In recent years, such equipment has become more and more multi-functionalized and downsized, and touch controls such as touch-panels on smartphones have become commonplace. In light of these technological changes, METI revised the JIS X8341-4.

This revised JIS will help the elderly and people with disabilities to easily use electronic telecommunications equipment, and contribute to widening opportunities for people to utilize such technologies. Moreover, this revised standard is expected to contribute to increasing demand for telecommunications equipment and services.

Recommended design of a touch control 

2. Outline of the JIS

Stipulated under the Industrial Standardization Act, the JIS are a collection of national standards certified by the government of Japan, aiming at the improvement of mineral or industrial products in terms of quality, performance and safety, and at increasing and enhancing production efficiency and other areas.

The JIS stipulates a variety of product criteria, including types/scales, quality/performance, safety, testing methods for assessing these criteria, and other standard criteria that products should meet. These standards are utilized to ensure reliability in quality for manufacturers, users and consumers.

METI has been establishing new standards or revising existing ones for the JIS in response to technological advancements, safety requirements and other societal changes as necessary.

For more information on the JIS, visit the following websites:

3. Previous news release (explanation of the major establishments and revisions of the JIS)

4. Partial amendment of the Industrial Standardization Act

The Act of Partial Revision of the Unfair Competition Prevention Act, etc. (Act No. 33 of 2018) was approved at the 196th ordinary session of the Diet in 2018 and established. In line with this, the Industrial Standardization Act was partially revised to newly categorize data and services as targets of standardization under the Japanese Industrial Standards (JIS). Accordingly, the title of the Industrial Standardization Act changed from “Kogyo Hyojyunka Ho” to “Sangyo Hyojyunka Ho” in Japanese while the title of the Japanese Industrial Standards (JIS) will be changed from “Nihon Kogyo Kikaku (JIS)” to “Nihon Sangyo Kikaku (JIS)” in Japanese.

For more information, visit the following website.

5. Contact information for inquiries on respective standards

For any inquiries on the details of publicized standards, please directly contact the relevant division in charge listed in Appendix 1.


Division in Charge

Standards and Conformity Assessment Public Relations Office, Industrial Science and Technology Policy and Environment Bureau