創 業 1933年3月 ] 職工人數 813人[2007年3月為止] ] 公司代表 四方 邦夫 ] 註冊資金 22億6477萬日元 ] 事業內容 1、生產銷售電機設備 2、生產銷售半導體及其應用機械設備 3、生產銷售醫療機械設備 4、承接機械設備設備安裝工程、電器配線工程以及各種配管工程施工業務 5、承接損害保險代理業務 6、與上述各條相關的、附帶的所有業務 1933 Sansha Electric Mfg. established. Company managed privately by Yukio Shikata. Started manufacture of Choking Coil Auto Transformers for movie projectors. 1937 Released the tungar rectifier for the light projector. 1938 Launched manufacture of the mercury rectifier. 1947 Started manufacture of the selenium element. Launched manufacture of the selenium rectifier. 1948 Reorganized the company into a corporation with two million Yen capital. Released the selenium rectifier for the F type projector. 1953 Released the selenium rectifier for light projection, "Super SanRex." 1956 Received award from Japan Cinema Technology Society in recognition of contribution to cinema technology. Released welding machines for both arc air gauging and the direct current arc. 1958 Launched manufacture of the germanium rectifier. 1960 Launched manufacture of the silicon rectifier. 1963 Released the Thyristor (silicon control rectification element). Launched manufacture of Thyristor applied devices. Released a dimmer for stage lightning and the rapid charger.