June 1, 1938
Founded in Kawasaki City, Kanagawa Prefecture
January 14, 1958
Reorganized into a corporation
October 25, 1963
Started relocating major facilities to Yanagihashi, Yamato City, Kanagawa Prefecture under a five-year plan.
1968
Completion of relocation of main facilities to Yanagihashi, Yamato City, Kanagawa Prefecture
1971
New 6-ton (currently 8-ton) air drop hammer
1974
Updated high-voltage power receiving equipment (6KV) to special high-voltage power receiving equipment (5,000KVA/ 60KV)
1978
Started soundproofing measures at forging plants.
1982
10-ton air drop hammer operation
1982
Introduction of double-acting hydraulic press No. 1 in the hammer line
1985
New cross-roll forging equipment
1987
Introduction of double-acting hydraulic press Unit 2
1988
4,000 tons New high-speed screw press (manufactured by Jimpelkamp)
1992
September improved continuous quality furnace started operation
September 1992
Introduction of 3D CAD/CAM
September 1993
Expansion of mold factory
September 1995
New 2,000-ton masse forging press
December 1996
Introduction of double-acting hydraulic press Unit 3
August 2002
Installation of 3D measuring instruments
January 2004
ISO 14001 certified
May 2006
Air suspension of 3Ton air drop hammer anti-vibration device completed
August 2006
Completed air suspension of 8Ton air drop hammer anti-vibration device
May 2007
Increased special high-voltage power receiving facilities to 15,000 KVA and 60KV
March 2008
ISO 9001 certified
April 2008
Introduction of double-acting hydraulic press Unit 4
March 2010
Completed air suspension of 4,000-ton high-speed screw press anti-vibration device
March 2011
Started electrification of forklifts (7 units installed in total)
March 2012
Introduction of three additional electric forklifts (10 in total)
March 2012
Magnetic particle flaw detector replacement
March 2012
Introduction of machining center (simultaneous replacement of two milling machines following NC)
December 2012
Completed air suspension of 10Ton air drop hammer anti-vibration device
November 2013
10Ton Air Drop Hammer Update
August 2015
Installed two 100KW inverters and compressors
October 2018
Installed two 160KW inverters and compressors
January 2019
8Ton line heating furnace (regeneration) update