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Kentaro Takahashi
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Omiya, JP
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last 30 patents
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Patent Grant
Wear-resistant member for use in internal combustion engine and met...
Patent number
4,632,074
Issue date
Dec 30, 1986
Nippon Piston Ring Co.
Kentaro Takahashi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Wear-resistant member for use in an internal combustion engine
Patent number
4,583,502
Issue date
Apr 22, 1986
Nippon Piston Ring Co., Ltd.
Kentaro Takahashi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Abrasion resistant ferro-based sintered alloy
Patent number
4,363,662
Issue date
Dec 14, 1982
Nippon Piston Ring Co., Ltd.
Kentaro Takahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Abrasion resistant sintered alloy for internal combustion engines
Patent number
4,360,383
Issue date
Nov 23, 1982
Nippon Piston Ring Co., Ltd.
Kentaro Takahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Abrasion resistant sintered alloy for internal combustion engines
Patent number
4,345,943
Issue date
Aug 24, 1982
Nippon Piston Ring Co., Ltd.
Kentaro Takahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Abrasion resistant sintered alloy for internal combustion engines
Patent number
4,345,942
Issue date
Aug 24, 1982
Nippon Piston Ring Co., Ltd.
Kentaro Takahashi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Slidable members for prime movers
Patent number
4,243,414
Issue date
Jan 6, 1981
Nippon Piston Ring Co., Ltd.
Kentaro Takahashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of producing ferrous sintered alloy of improved wear resistance
Patent number
4,123,265
Issue date
Oct 31, 1978
Nippon Piston Ring Co., Ltd.
Kentaro Takahashi
B22 - CASTING POWDER METALLURGY