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Welcome to Toyo Electronics

We started production of germanium diode in 1959 and we have been engaged in the manufacture and inspection of cutting-edge electronic components of optical communication devices, discrete devices and LSI wafer test business, etc. We have been in the semiconductor field for more than half a century.

With the mature social environment from the high-growth period, the diversification and advancement of the businesses we are working on, such as miniaturization and diversification of devices, relocation of production bases overseas, and fabless manufacturing, are further progressing.

At our production bases in Japan and Thailand, we actively open positions to persons of talent with diversity and use creative ideas to create products from the customer’s perspective, so we are confident that our service will lead to customer satisfaction and reliability.

We aim to be a company that collaborates with customers and be trusted to undertake thiers tasks.

To make the global environment full of green sustainable

We are proactively adopting new technologies for carbon neutrality and actively workining on the serious social issues such as environmental issue and problems of resource and energy

Toward the future that our company is aiming for, we will continue to make improvements from all angles in order to continue to make our company motto, “High quality, Just in time, Cost performance, Improvement” happen in reality since our founding.

Yasuo IkawaPresident and representative director
Yasuo Ikawa

Company overview

Company name : Toyo Electronics Corporation
Establishment : June 1959
President and representative director : Yasuo Ikawa
Capital : 10 million yen
Number of employees : 250 people (October 2023)
* Including Toyo Electronics (Thailand)

History

June
1959
Established as a cooperative company of Hitachi, Ltd. Musashi factory
June
1959
Started assembly and production of germanium diodes and silicon diodes at the Kokubunji factory.
June
1967
Established Kofu Factory in Tokojimachi, Kofu City. Transferred assembly process of germanium diodes and silicon diodes to Kofu factory.
June
1970
Started assembly and production of transistor at Kokubunji factory.
July
1973
Established Niigata Factory in Tabatamachi, Murakami City.
Bipolar integrated circuit assembly was transferred from the Kokubunji factory to Niigata factory.
August
1976
Moved Niigata Factory to Chugenmachi, Murakami City (current location).
July
1980
Lending Kokubunji factory to other companies.
July
1980
Moved HQ management function section to the current location in Minami-cho, Kokubunji.
October
1982
Moved Kofu Factory to Nakamichi Town, Higashiyatsushiro District (current location).
May
1983
Started production of MOS memory post-process at Kofu factory.
February
1988
Started MOS wafer inspection at Kofu factory.
September
1989
Started diode wafer inspection at Kofu factory.
April
1990
Established System Development Center in Niigata City (Hardware & Software Design)
November
1990
Started production of MOS LSI (microcomputer) at the Niigata factory.
December
1997
Started assembly and production of optical communication modules at the Niigata factory.
February
2006
Kofu Factory received the “2005 Excellent Case of energy conservation implementation Kanto Bureau of Economy, Trade and Industry Director’s Award”
August
2008
Established Thai factory (Amatanakon Industrial Estate) (Started assembly and production of optical modules)
May
2013
Started product storage business at Kofu factory.
April
2016
Established second factory in Thailand (started probe card assembly business)
January
2017
Established third factory in Thailand (started optical communication device business)
February
2017
Kofu Factory received the “2016 Yamanashi Energy Saving Smart Company Award”
March
2017
Received ” HABATAKU Small and Medium Enterprises 300″ award from the Ministry of Economy, Trade and Industry
September
2018
Thai factory transferred probe card business
January
2019
Moved head office of the Thai factory to the third factory and changed the name to “Head Office Factory”.
August
2021
Expanded inspection business of precision parts to Thai factory.
September
2021
Launched a trial manufacturing line at Thai factory for Suncall’s product.
September
2021
Thai factory, CIG / China production discontinued.

High quality,Just in time,Cost performance,Improvement

we aim to be a “manufacturing with existence value” trusted and
needed by society by utilizing the “technology” and
“know-how” cultivated in the manufacture of semiconductor parts.

High quality、Short lead time、Low cost、 Human resources training、New technology
Compliance、Global environment、 To create an attractive company.

Main customer (Random order without honorifics)

Main Clients

Renesas Electronics Corporation, affiliated group companies, Hitachi, Ltd., affiliated group companies, Hitachi Power Device Co., Ltd, Hitachi High-Tech Nexus Corporation,Seiko Epson Corporation, ABLIC Inc., NEXTY Electronics, Nuvoton Technology Corporation Japan, Sharp corporate, MinebeaMitsumi Inc., DNP LSI Design Co., Ltd.,Toppan Technical Design Center Co., LTD., Japan Display Inc., Logic Research Co.,Ltd., Ribbon Display Japan,Inc.,Sanken Electric Co., Ltd., PRIVATECH Inc.,FUKUSHIMA SANKEN Co., LTD., Silicon Artist Technology Co., LTD., STANLEY ELECTRIC CO., LTD., Oki Data Corporation, OOHIRO. CO.,LTD., JAPAN FINE CERAMICS CO.,LTD.,S-Takaya Denshi Kogyo CO., LTD., Jepico CO., LTD., Hamamatsu Photonics CO., LTD., NTT Innovative Devices Corporation, KYOTO SEMICONDUCTOR Co., Ltd.,TOKYO AIRCRAFT INSTRUMENT CO., LTD., SUMITOMO CONSTRUCTION MACHINERY CO.,LTD., SUNCALL CORPORATION, NEC Management Partner, Ltd., Cambridge Industries USA, Inc., CIG Shanghai co.,Ltd., Fabrinet co., Ltd., II-VI Incorporated, FUJIFILM Business Innovation Corp., Hitachi High‑Technologies Corporation, Shinko Giken CO., LTD., CIG Photonics Japan CO., LTD., KYOSEI Factory Thailand Co.,Ltd., Maxell Frontier Co., Ltd., N.S.Computer Service Co., Ltd.,TECHTA Inc., KYOCERA Corporation, Anritsu Device CO., LTD., FUJIFILM Healthcare Corporation, ON Semiconductor Corporation, CIG tech Japan Limited Co., Ltd.,Suncall Corporation Philippine Representative Office Suncall Corporation, Ohizumi Mfg. Co., Ltd.

Partner bank (Random order without honorifics)

Business partner bank

Sumitomo Mitsui Banking Corporation, Mizuho Bank, Ltd., Japan Bank for International Cooperation, Japan Finance Corporation, Yamanashi Chuo Bank, Ltd., Bangkok Bank PCL.