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Katsuhiko Asai
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Konan, JP
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last 30 patents
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Patent Grant
Structure of hemmed together metal plate materials
Patent number
6,528,176
Issue date
Mar 4, 2003
Sanyo Machine Works, Ltd.
Katsuhiko Asai
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Impact bar and its manufacturing method
Patent number
6,332,302
Issue date
Dec 25, 2001
Sanyo Machine Works, Ltd.
Katsuhiko Asai
B60 - VEHICLES IN GENERAL