Yoshio Harakawa

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Okaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing flat metal powder directly from...
- Patent number 5,840,095
- Issue date Nov 24, 1998
- Teikoku Piston Ring Co., Ltd.
- Taizo Kawamura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing an atomized alloy power
- Patent number 5,605,560
- Issue date Feb 25, 1997
- Alps Electric Co., Ltd.
- Yasuichi Ono
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alloy powder, dispersion-type conductor using the same
- Patent number 5,458,702
- Issue date Oct 17, 1995
- Alps Electric Co., Ltd.
- Yasuichi Ono
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy powders for coating materials, and coating materials...
- Patent number 5,198,042
- Issue date Mar 30, 1993
- Masumoto; Tsuyoshi
- Tsuyoshi Masumoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making additive powders for coating materials or plastics
- Patent number 5,013,346
- Issue date May 7, 1991
- Teikoku Piston Ring Co., Ltd.
- Tsuyoshi Masumoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Additive powders for coating materials or plastics
- Patent number 4,891,068
- Issue date Jan 2, 1990
- Teikoku Piston Ring Co., Ltd.
- Tsuyoshi Masumoto
- B22 - CASTING POWDER METALLURGY