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Kenji Nishikawa
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Hiratsuka, JP
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last 30 patents
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Patent Grant
Noise reducer for construction equipment
Patent number
6,332,509
Issue date
Dec 25, 2001
Komatsu Ltd.
Kenji Nishikawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Breakthrough buffer for presses and control method therefor
Patent number
5,673,601
Issue date
Oct 7, 1997
Komatsu Ltd.
Kikuo Ejima
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Press machine having reinforced side frames
Patent number
5,517,909
Issue date
May 21, 1996
Kabushiki Kaisha Komatsu Seisakusho
Tairo Samejima
B30 - PRESSES
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Patent Grant
Press machine having reinforced side frames
Patent number
5,493,964
Issue date
Feb 27, 1996
Kabushiki Kaisha Komatsu Seisakusho
Tairo Samejima
B30 - PRESSES