Katsuya Ohuchi

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a light alloy product
- Patent number 5,800,640
- Issue date Sep 1, 1998
- Semiconductor Energy Laboratory Co., Ltd.
- Yukio Yamamoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnesium light alloy product and method of producing the same
- Patent number 5,693,158
- Issue date Dec 2, 1997
- Mazda Motor Corporation
- Yukio Yamamoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for forming high abrasion resisting layers on parent materials
- Patent number 5,096,662
- Issue date Mar 17, 1992
- Mazda Motor Corporation
- Yoshifumi Yamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of producing a mechanical component with superior fatigue st...
- Patent number 4,969,957
- Issue date Nov 13, 1990
- Mazda Motor Corporation
- Shigemi Ohsaki
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing an apex seal for a rotary piston engine us...
- Patent number 4,738,602
- Issue date Apr 19, 1988
- Mazda Motor Corporation
- Junichi Yamamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES