| 1947 |
●Founded Sanwa Denki Kogyosho to manufacture and sell electric instruments and communication devices. ●Started supplying electric instruments to the Japanese Ministry of Electrics and Communications and the Defense Agency of Japan. |
| 1951 | ●Founded Sanwa Denki Kogyo Co., Ltd. |
| 1952 | ●Started developing, manufacturing and selling electric connectors. |
| 1953 | ●Started supplying industrial connectors to the Japanese Ministry of Posts and Telecommunications. |
| 1959 | ●Acquired approval from NEC as a cooperating factory. |
| 1964 | ●Established the Hachioji Factory. |
| 1969 | ●Contracted with Western Electric Co. in U.S.A. on mutual technical cooperation. |
| 1971 | ●Developed clip terminal type connectors for key telephones and began to supply them to NTT. |
| 1979 | ●Established the Software Development Section. |
| 1980 | ●Established Kofu Factory. |
| 1983 | ●Started supplying FC-type optical fiber connectors to NTT. |
| 1984 | ●Started supplying connectors for information processing devices to NTT. |
| 1985 | ●Started supplying connectors for electronic switches to NTT. |
| 1987 | ●Transferred production technology of FC-type optical fiber connector to ICI Stratos Co., Ltd. in U.K. |
| 1988 | ●Started manufacturing and supplying SC-type optical fiber connector to NTT. |
| 1989 | ●Developed the terminal blocks for U slit wiring terminals and started supplying them to NTT. |
| 1991 | ●Started supplying the plug-in type optical fiber coaxial connectors to NTT. |
| 1992 | ●Developed the high-density dividing relay connector and started supplying it to NTT. |
| 1993 |
●Developed SC-type low reflection optic fixed attenuator and optical terminators and started supplying them to NTT. ●Developed MU-type optical fiber connector and started supplying it to NTT. ●Developed high-density mounting connector and started selling it to switch and transmission device manufacturers. |
| 1994 |
●Developed versatile test spring (128UTS) and started supplying it to NTT. ●Developed the optical integration wiring system for LAN and started supplying it to NTT and NTT Data Corporation. ●Developed the Category 5 LAN wiring patch panel and rosette for 100M Ethernet and started supplying them to NTT. |
| 1995 |
●Developed connection for improved EMC properties started supplying it to NTT. ●Developed Category 5 LAN wiring patch panel and rosette for ICS and started supplying them to NTT. ●Developed automatic MDF connection pin and high-density connector and started selling them. ●Developed SC simplified type optical fiber connector and started selling it. ●Developed MDF for RT device and started supplying it to NTT. |
| 1996 |
●Acquired MT/MPO manufacturing technology. ●Developed hight-strength 19-inch rack and started selling it. ●Established optical fiber fusion manufacturing technology. ●Developed MDF for RSBM-F and started supplying it to NTT. ●Completed new office building at the Hachioji Factory. |
| 1997 | ●Acquired ISO9001 certification. |
| 1998 |
●Dedloped 252-pin connector for hight-density mounting and stared selling it to switch and transmission device manufactures. ●Developed SC2 optic fixed attenuator and started supplying it to NTT. ●Developed hight-performance private terminal board and stated selling it. |
| 1999 |
●Developed RSBM-U and started supplying it to NTT. ●Developed LAN wiring patch panel and rosette for Gigabit Ethernet and started selling them. ●Moved Marketing Department to Chiyoda-ku, Tokyo, Japan. ●Developed MU simplified tye optical fiber connector and started selling it. |
| 2000 |
●Developed Cost Effective MU type optical fiber connector and started selling it. ●Estabished the WDM modute assembly teshnology. ●Acquired ISO 14000 certfication. ●Opened Osaka sales office. ●Estabished Sanwa Electronics USA Corporation. ●Increased production of CF cards. ●Startded production of metric connectors. |
| 2001 | ●Developed MU-type package housing with shutter. |
| 2002 |
●Developed SFF Optical Transceivers with MU-type Interface. ●Introduce Transmitter Optical SubAssembly and Receiver Optical SubAssembly (TOSA/ROSA) ●Developed Optical Outlet and this plug for plastic optical fiber. ●Developed Category 6 Connectors,Outlets,Rosettes and Patch Panels. |
| 2003 |
●Developed MU-type universal attenuator. ●Developed SC-type and FC-type Tunable connector ●Opened a sales office in Taipei, Taiwan to provide better services in our Asian customers. |
| 2004 | ●Developed shutter for SC-type simplex adaper. |
| 2005 | ●Developed Category 6 Jack to Jack Adaptor. |
| 2007 | ●Developed and Produced SFP Optical Transceivers with LC-type Interface. |
| 2009 | ●Started mass-production and sales of Optical Outlets. |