Yamaichi Electronics Co.

Yamaichi Electronics Co. is a leading company that globally provides IC socket products used in semiconductor testing processes and connector products for electronic and electrical equipment. The company started with vacuum tube sockets and has grown to offer a range of products including connectors, flexible printed wiring boards (YFLEX®), and optical multilayer thin film filters.

Yamaichi Electronics was established in 1956 as Yamaichi Denki Kogyo Co., Ltd., starting with the manufacture and sale of vacuum tube sockets. In 1966, it began manufacturing and selling sockets for integrated circuits (ICs). In 1988, its shares were registered with the Japan Securities Dealers Association and traded over-the-counter. In 1991, the company changed its name to Yamaichi Electronics Co., Ltd. In 2000, it was listed on the Second Section of the Tokyo Stock Exchange, and in 2001, it was listed on the First Section. The company has expanded globally, establishing subsidiaries in the USA (1985), Korea (1987), Singapore (1989), Germany (1990), Hong Kong (1993), China (1994), Taiwan (1996), and others. It also acquired all shares of Koshin Kogaku Kogyo Co., Ltd. in 2002.

1. 1山一電機株式会社 | 半導体検査用ICソケット、コネクタ・フレキシブル配線基板YFLEX®yamaichi.co.jp
2. 2沿革 | 会社情報 | 山一電機株式会社 | 半導体検査用ICソケット、コネクタ・フレキシブル配線基板YFLEX®yamaichi.co.jp
3. 3会社情報 | 山一電機株式会社 | 半導体検査用ICソケット、コネクタ・フレキシブル配線基板YFLEX®yamaichi.co.jp
4. 4Yamaichi Electronics Co.wikidata.org