Message
Sansei Denshi has worked in collaboration with the quartz device industry since its founding in 1963.
We provide production facilities, jigs and tools, and measuring equipment for quartz devices, which are becoming thinner, smaller, and more accurate every day as their applications expand.
We will continue to make every effort to give our customers the products they need.
Sansei Denshi Co., Ltd.
Representative Director, President
Tadashi Uchino
Company Profile
| Name | Sansei Denshi Co., Ltd. |
| Head Office & Factory | 1-11-8 Iwadokita, Komae-shi, Tokyo, Japan |
| Izumi Factory | 3-6-5 Nakaizumi, Komae-shi, Tokyo, Japan |
| Overseas Affiliates (Tianjin, China) | Sansei Denshi (Tianjin) Co., Ltd. |
| Overseas Affiliates (Arizona, U.S.A.) | Saunders & Associates, LLC |
| Establishment | October 1, 1963 |
| Capital | ¥50,000,000 |
| Employees | 45 (As of December 2024) |
| Main Bank | Sumitomo Mitsui Banking Corporation (SMBC) |
History
1960～
1963
Established by separating from Kinsekisha Research Institute, Ltd.'s measurement application equipment department.
1966
Released a series of frequency counters.
1967
Co-developed the automatic quartz crystal frequency tuning system with Showa Shinku Co., Ltd.
Launched automated manufacture of quartz crystal units.
1969
Developed a continuous measuring device for quartz crystal temperature measurements.
1970～
1971
Released high-precision frequency measuring equipment (quartz timer) for quartz watches.
1978
Developed a fully automatic frequency trimming system for tuning forks and crystals.
1979
Developed and mass-produced the MCF fully automated adjustment system.
Completed the tuning fork quartz crystal blank automatic sorting machine and entered the mechatronics industry on a large scale.
1980～
1981
Developed and launched sales of programmable ATT for optical cables.
Began OEM supply of rubidium standard frequency to NEC Corporation (NEC).
1982
Released an automatic sorting equipment for completed AT quartz crystals.
Delivered 10,000 quartz timers.
1983
Released automatic sorting machine for AT blanks.
Crossing counter deliveries total 5,000 units.
1984
Developed an automatic inspection system for SAW devices.
Partnered with Origin Co. to develop and announce fully automated electrodeposition equipment.
1987
Announced fully automatic assembly equipment for AT crystals and oscillators.
1989
Completed AT quartz crystal super in-line system.
1990～
1990
Released automated MCF assembly, modifications, and inspection procedures.
Released SMD crystal/oscillator automated assembly system.
Developed an in-line system for SMD crystal and oscillator assembly, modification, and inspection.
1992
Started selling blank sorters in the ABS series.
1994
Joined the Japanese Quartz Industry Association (QIAJ).
Began selling the "CLZ series" load capacitance jig for SMD.
1996
Started delivering measuring jigs to Keysight (previously Hewlett-Packard).
1998
Began selling glass sealing and clean curing ovens.
2000～
2001
Started sales of ROM lighters for TCXO.
2003
Founded Sansei Showa Co., Ltd. (SSC) in partnership with Showa Shinku Co., Ltd. (*closed in 2024)
2004
Completed and started sales of PCI frequency counter card FFC.
Completed and started sales of in-line temperature measuring equipment.
Developed and launched sales of the SPX series, a fully automated SMD quartz crystal unit production machine, in collaboration with Showa Shinku Co., Ltd. and Nippon Avionics Co., Ltd.
2006
Completed and launched the GX-300 high-precision blank mounter for ultra-compact PKGs.
2007
Launched the SCO Series of Super Clean Curing Ovens.
2009
Started sales of blank mounter GX-320 series.
Began policies and sales of manufacturing facilities in China as an OEM (outsourced manufacturing) base.
2010～
2010
Launched the PCI Network Analyzer (N800B).
2011
Established Sansei Denshi (Tianjin) Co., Ltd.
Opened its own facility in Tianjin, China, to begin production.
2014
Developed and launched sales of 16-channel high-speed Pi circuit switching boards.
2015
Launched the industry's fastest DLD inspection system and final tester.
2018
Developed fully automated wafer measurement equipment and began the front-end process at full scale.
2020
Co-developed etching equipment for quartz wafers.
2024
Purchased Arizona, U.S.-based Saunders & Associates, LCC shares, establishing it as a fully owned subsidiary.
Access
- Location:
Sansei Denshi Co., Ltd.
〒201-0004
1-11-8 Iwadokita, Komae-shi, Tokyo, JAPAN - Train:
The Odakyu Odawara Line
7-minute walk from Komae Station - Car:
15 minutes from the Chofu Interchange on the Chuo Expressway
20 minutes from Yoga Interchange on Metropolitan Expressway
20 minutes from the Kawasaki Interchange on the Tomei Expressway