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Hiroyuki Matsumura
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Kobe, JP
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last 30 patents
Information
Patent Grant
Grinding method and grinding system for steels
Patent number
5,791,968
Issue date
Aug 11, 1998
Kawasaki Jukogyo Kabushiki Kaisha
Hiroyuki Matsumura
B24 - GRINDING POLISHING
Information
Patent Grant
High pressure injection nozzle
Patent number
5,434,112
Issue date
Jul 18, 1995
Kawasaki Jukogyo Kabushiki Kaisha
Shigetomo Matsui
B24 - GRINDING POLISHING
Information
Patent Grant
Process for producing silicon carbide nozzle
Patent number
5,407,503
Issue date
Apr 18, 1995
Kawasaki Jukogyo Kabushiki Kaisha
Shigetomo Matsui
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High pressure injection nozzle
Patent number
5,334,561
Issue date
Aug 2, 1994
Shigetomo Matsui
B24 - GRINDING POLISHING
Information
Patent Grant
Composite structures
Patent number
5,244,746
Issue date
Sep 14, 1993
Kawasaki Jukogyo Kabushiki Kaisha
Shigetomo Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Composite structures and methods of manufacturing the same
Patent number
5,226,469
Issue date
Jul 13, 1993
Kawasaki Jukogyo Kabushiki Kaisha
Hiroyuki Matsumura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of manufacturing composite structures
Patent number
5,169,054
Issue date
Dec 8, 1992
Kawasaki Jukogyo Kabushiki Kaisha
Shigetomo Matsui
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of and apparatus for continuous production of seam-welded me...
Patent number
4,796,798
Issue date
Jan 10, 1989
Kawasaki Jukogyo Kabushiki Kaisha
Toshio Tsuta
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Continuous production of seam-welded metal tubing
Patent number
4,771,931
Issue date
Sep 20, 1988
Sumitomo Metal Industries Ltd.
Shigetomo Matsui
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR