Founded by Mitsuo Kishikawa as Kishikawa Valve Manufacturing Co., Ltd. Early products include valves for penicillin production equipment, vacuum valves, circuit breaker valves, and transformer valves.
April 1949
Released valve product for synthetic fiber plant.
August 1959
Reorganized as Kishikawa Special Valve Manufacturing Co., Ltd.
September 1961
Completed Phase 1 construction of the Tokai Factory.
June 1963
Completed development of Rupture Disks.
August 1966
Developed a prototype sodium (Na) valve for Fast Breeder Reactors under a research program commissioned by the Science and Technology Agency for peaceful nuclear applications.
March 1967
Opened Osaka Branch Office.
April 1970
Completed Phase 2 expansion of the Tokai Factory.
June 1971
Consolidated Tokyo Factory production facilities into Tokai Factory.
April 1973
Relocated Headquarters to Minami-Oi, Shinagawa-ku, Tokyo.
August 1974
Completed Phase 3 construction of Tokai Factory.
October 1977
Began R&D of ultra-high and high vacuum valves for fusion research (JT-60 or Japan Torus 60, tokamak-type nuclear fusion experimental reactor).
October 1986
Developed and launched All-Metal Fast Closing Valve (FCV).
June 1987
Developed and launched All-Metal Double-Sealed Gate Valve (AI).
December 1989
Product release of non-sliding valve.
July 1990
Manufactured ultra-short pulse electron gun for FEL.
November 1990
Successfully developed Ultra-Clean Pendulum Gate Valve in joint research with Tohoku University.
November 1992
Supplied All-Metal Gate Valves and angle valves for SPring-8.
Product release of Unicam Gate Valve.
September 1996
Product release of enhanced door valve.
April 1998
Company name changed to V TEX Corporation
August 1998
Certified for ISO 9001.
June 1999
Acquired Nichizou Precision Polishing Co., Ltd.
July 2001
Product release of Penduroll Valve.
September 2003
Opened Omiya Workshop (Hitachi-Omiya, Ibaraki).
October 2003
Registered ISO 9001:2000.
June 2004
Established clean room facility in South Korea.
January 2005
Opened South Korea Branch (Seongnam, Gyeonggi-do).
February 2006
Developed valve “BOXER” for solar panel manufacturing equipment.
Feburary 2006
Established clean room building at Tokai Factory.
July 2006
Divested Nichizou Precision Polishing Co., Ltd.
September 2007
Introduced three new machining tools.
March 2008
Introduced two new machining tools.
December 2008
Developed in-house pressure control valve controller.
July 2010
Relocated South Korea Branch to Ansan, Gyeonggi-do.
July 2011
Increased capital by JPY 200 million.
January 2012
Increased capital by JPY 400 million.
April 2012
Established VTEX Korea Co., Ltd.
July 2012
Certified for ISO 14001:2004 at Tokai Factory.
January 2015
Obtained ASME (UD) Stamp for Rupture Disks.
May 2015
Established V TEX America Inc.
April 2016
Approved as vendor by Saudi Aramco for Rupture Disks.
May 2017
Established V TEX Shanghai Co., Ltd.
April 2019
Established production building for semiconductor equipment valves at Tokai Factory.
August 2022
Relocated Osaka Branch to Kawaramachi, Osaka.
October 2022
Relocated Headquarters to Omori Prime Building, Shinagawa, Tokyo.
February 2025
Certified for ISO 14001:2015 at Higashi-Maizuru Factory.
March 2025
Expanded Clean Room No.1 at Higashi-Maizuru Factory.
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