About us

Message from Management
To make our dreams come true!
The speed of technology development has increased in the recent years and has opened the road to the new information-oriented society.
Since we established in 1979, we have focused on “measurement” in order to contribute to society through our measuring technology.
Our basic management is
1. Challenging to new technology
2. Behaving compassionately
3. Improving our thinking ability
Through these principles, we will continuously make efforts to create future with advanced technology and to be your good partner.
We must take advantage of our skills and organization’s power, to respond the changes of our business environment.
We appreciate your continuing support.
Iku Segawa
President and CEO



Corporate profile
Corporate Name Protec Corporation
Head Office

6-5-3 Asamizodai Minami-ku Sagamihara-shi Kanagawa 252-0328, Japan

Head office and EMS Division
Phone: +81-42-748-8470
Fax: +81-42-748-8206
Email: info@protec5461.co.jp

Sales Department of Torque Measurement System
Phone: +81-42-741-7690
Fax: +81-42-748-2145
Email: info-2@protec5461.co.jp

Packaging Division
Phone: +81-42-743-0233
Fax: +81-42-748-0207
Email: -


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President and CEO Iku Segawa
Founded Oct 1, 1968
Capital 10 million yen
Employees 90
Business Line Manufacture and development of various torque meters
Manufacture and development of various measuring systems
Manufacture and development of shield box (electromagnetic anechoic box)
Manufacture of test fixture for in-circuit tester
Manufacture of functional tester for PCB
Caramel Packaging , Shrink Packaging , Various packaging



History of Former SAGAMI DENKI SEISAKUSYO Corporation
1968 Oct Established in Sagamihara City Yabe
1974 Oct Establishment of factory in Sagamihara City Asamizodai with increased production system
1976 Feb Relocate head office work to Asamizodai factory
1999 May Introduced P Caser
2000 May Introduce shrink wrapping machine in line
2003 May Introduce high-speed shrink wrapping machine on line
2017 Jun Merger with PROTEC Corporation , Corporate name changed to PROTEC Corporation



History of PROTEC Corporation
1979 Jun Established in as manufacturer of controlling system
1979 Aug Expanded our business into wiring and assembly
1987 Nov Measurement system for stepping motor was developed
1988 Nov Testing system for automotive electrical components
1988 Manufacture of in-circuit tester for PCB was started
1989 Oct PT-1900 Load Torque Meter was developed
1990 Feb PT-2300 Dynamic Torque Meter was developed
1991 Feb Developed PT-1920 Load Torque Meter which became a flagship model of our product line
1992 Apr PT-2340 All-in-one Dynamic Torque Meter
1993 Jun Contact resistance measurement system was developed
1995 Mar PT-1955 Manual Torque Meter was developed
1996 Received Superior Business Award in Sagamihara
1998 Jun Manufacture of functional tester for PCB was started
1999 Feb PT-1940 Comprehensive Torque Analyzer was developed
2004 Oct Moved to current location
2007 Oct Torque meter for dental implant was developed
2009 Jun Received subsidies for research and development from Sagamihara municipal government
2009 Jun Omnidirectional air bearing was developed
2009 Oct Torque meter for ultra high speed motor was developed
2010 Jun Received subsidies for research and development from Sagamihara municipal government
2010 Oct Measurement system for IVR (Interventional Radiology)
2011 Jun Expanded the sales activity of stress measurement system for medical equipments and materials
2012 Jun PT-8000 Comprehensive Torque Meter was developed and started to sell
2012 Jun PU-1000 Universal Tester for stress measurement was developed and started to sell
2014 Mar Shield box PSB series was developed and started to sell
2014 Jun Future3000 was developed and started to sell
2014 Jun Catheter operability measuring device was developed and started to sell
2014 Aug Iku Segawa is appointed President and Representative Director
2016 Sep PT-1946MC Medical connector measurement system was developed and started to sell
2017 Jun Merger with SAGAMI DENKI SEISAKUSYO Corporation