COMPANY Company Outline・History

Corporate Facts Corporate Profile

Company name	TDI ELECTRONICS CO., LTD.
Representative Director	Takeo Teraoka
Managing director	Tomohiko Tashiro
Headquarters	154-8580-2 Sakurashinmachi, Setagaya-ku, Tokyo 5-5
Start a business	April 1956, 9
Employees	124 people (as of September 2025)
Business Content	Development, manufacturing and sales of design products based on printing technology, electronic components, decorative molded products using various molding technologies, and assemblies (semi-finished to finished products).
Capital	10,000 thousand yen
Customer financial institution	Mitsubishi UFJ Bank, Sumitomo Mitsui Banking Corporation, Mizuho Bank
Eligible invoice issuer registration number	T3010901008022
Qualification	ISO9001 (registration number: Q4564) ISO 14001 (Registration Number: E2474) Certification Scope: Sagamihara Office Design, manufacture and sale of screen-printed membrane switches, contact films, capacitance sensors, decals, tacks and panels Manufacturing and sales of various plastic and rubber molded products and assembly products, as well as manufacturing and sales of aircraft-related nameplates and sales of nameplates printed with seals. Environmental Policy

Main office

154-8580-2 Sakurashinmachi, Setagaya-ku, Tokyo 5-5

Sagamihara Office/Tokyo Sales Office
Aircraft Team, Overseas Business Division

2-12-6 Onodai, Minami-ku, Sagamihara City, Kanagawa Prefecture, 252-0331

Sagamihara Factory

Tokyo Sales Office

Shizuoka Sales Office

1-11-1 Yokowari, Fuji City, Shizuoka Prefecture, 416-0944

Hamamatsu Sales Office

Cosmos 103, 495 Shinbashi-cho, Chuo-ku, Hamamatsu City, Shizuoka Prefecture, 432-8058

Nagoya Sales Office

2-12-3 Jonancho, Anjo City, Aichi Prefecture, 446-0043

Osaka Sales Office

5-71 Yoshinocho, Suita City, Osaka Prefecture, 564-0054

Fukuoka Office

4-2-25-503 Yamada, Onojo City, Fukuoka Prefecture, 816-0922

Hanoi Sales Office

6F, 25T1 Building, Yen Hoa Ward, Hanoi City, Vietnam

Vietnam factory
TDI ELECTRONICS VIETNAM CO.,LTD.

Dong Van III Supporting Industrial Zone,Duy Ha Ward,
Ninh Binh Province, Vietnam

1956	Tokyo Tokushu Printing Industry Co., Ltd. was established in Setagaya Ward, Tokyo.
1959	Our Decalcomania products are MIL-certified by the United States Air Force.
1963	Factory established in Sagamihara, Kanagawa Prefecture
1967	Our company's developed Ocal has been registered as a transcription character for the Japanese National Railways JRS13099-5B-15A.
1980	Sagamihara Plant is recognized as an excellent company by the Governor of Kanagawa Prefecture.
1981	Obtained permission to manufacture UL standard adhesive nameplates (UL969)
1982	Obtained permission to manufacture adhesive nameplates that meet CSA standards
1983	Started manufacturing membrane switches and related electronic components
1995	Started manufacturing insert molding products
1998	Sagamihara Factory receives ISO-9002 certification
2005	Company-wide ISO-9001 certification obtained
2006	Sagamihara Office receives ISO-14001 certification
2014	Started manufacturing capacitance sensors
2017	Established Vietnam factory (TDI ELECTRONICS VIETNAM CO., LTD.) in Ninh Binh Province, Vietnam
2022	Opened a sales office in Hanoi, Vietnam Vietnam factory obtains ISO9001 certification
2024	Started production of molded product units
2025	Vietnam factory obtains ISO14001 certification
2026	Changed company name from Tokyo Tokushu Insatsu Kogyo Co., Ltd. to TDI Electronics Co., Ltd.