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Tadashi Okazaki
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Oomiya, JP
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last 30 patents
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Patent Grant
Clutch driven plates and method of producing the same
Patent number
5,093,057
Issue date
Mar 3, 1992
Hitachi, Chemical Co.
Yasuhiro Hara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Clutch driven plates and method of producing the same
Patent number
5,004,089
Issue date
Apr 2, 1991
Hitachi Chemical Company, Ltd.
Yasuhiro Hara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL