History
| History | Topics | |
| 2020 | Increased production capacity, achieved 5 Million spring probe production / month. | |
| 2018 | Acquired Morioka factory from Citizen Fine Device. | |
| 2017 | KUNOHE SEIMITSU joined as group company | Developed solder-less connector for 110GHz |
| 2012 | Developed micro TAS LOC measurement socket unit | |
| 2011 | Developed Signal Probing Socket | |
| 2008 | Established for high frequency measurement and Test Equipment | |
| 2006 | ISO 14001 Certified / ISO 9001 Certified | Developed Super Mini Probe for 0.3mm pitches |
| 2005 | Collaborated Business partner for Ardent Concepts, Inc. | Developed high frequency impedance matching probe |
| 2004 | Developed Coaxial SLIC Socket for high frequency | |
| 2002 | Moved Head office to Kitashinagawa, Shinagawa-ku, Tokyo Established SER Taiwan Corporation |
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| 2000 | Developed SL IC Socket for FPGA/CPLD | |
| 1999 | Developed RDRAM Application Socket | |
| 1998 | “0.5mm pitch CSP SL IC Socket” received the “New Product of the Year” award at Interconnection Technology Japan ’98 |
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| 1996 | Capital increased to ￥50,000,000 Established Osaka office |
Developed CSP Test Socket |
| 1994 | Developed Super Mini Probe contact Developed application socket for BGA |
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| 1992 | Capital increased to ￥30,000,000 Moved Head office to Takanawa, Minato-ku, Tokyo |
Developed Crystal Device Socket Developed BGA Test Socket |
| 1991 | Established “Engineering Development Department”, Mini Probe as main product, started design and develop the various types of customized connectors |
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| 1990 | Capital increased to ￥10,000,000 | |
| 1989 | Developed the Sockets for Crystal devices Developed the sockets and connectors for cellular phones and pagers |
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| 1986 | Developed Precision Socket Developed Socket for lead-relays |
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| 1984 | Company was established in Mita, Minato-ku, Tokyo with a starting capital of ￥3,000,000 |
Started business with the sockets and connectors sales as main product |