Company JUST Co.,Ltd.
HQ  5-7-10, Koenjiminami, Suginami-ku, Tokyo, 166-0003 Japan
Tokyo 5-10-5, Honcho, Nakano-ku, Tokyo, 164-0012 Japan
Office Tel : 03-5385-8331  Fax : 03-5385-8330
Founded  On Dec. 8, 1989
CEO Kawamura Masahide
Capital JPY 30million
Banks Koenji Branch, Mizuho Bank
Koenji Branch, Mitubishi Tokyo UFJ

Product Development

1991 Develop the system for polybdenum pipe welding control.
Introduce fluid air and pure water heating technology to develop 
and commercialize the uncontaminated heater.
1992 Develop and commercialize the fluid air PTC heater.
1993 Commercialize the PTC hot blast heater.
1994 Produce the electronic thermostat SDC for the F company in a form of OEM.
1995 Expand the production of thermocouples with the Pt100Ω sensor.
1996 Develop and commercialize the compact temperature control box.
1997 Develop and commercialize the electronic thermostat TGCS.
1998 Develop and commercialize the hydrocarbon vacuum distiller.
1999 Develop and commercialize solvent collectors (5, 10, and 20/min).
2000 Build the production line for the silicone cord heater and silicone heater.
2001 Build the production line for the cartridge heater.
2002 Develop and commercialize the far IR ceramic that changes color when current flows.


  • Japan Electro Heat Center (JEHC)
  • Japan Industrial Conference on Cleaning (JICC)
  • The Japan Electrical Manufature's Association (JEMA)
  • Association of Japan Plastics Machinery (JPM)
  • Japan Society of Energy and Resources (JSER)

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