Hitoshi Okamoto

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wear resisting steel, sliding member for cylinder in internal combu...
- Patent number 6,048,625
- Issue date Apr 11, 2000
- Mitsui Engineering & Shipbuilding Co., Ltd.
- Kenzo Miura
- C21 - METALLURGY OF IRON
Information Patent Grant
Vibration-damping alloy
- Patent number 5,380,483
- Issue date Jan 10, 1995
- Mitsui Engineering & Shipbuilding Co., Ltd.
- Satoshi Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Tetraarylboron-ammonium complexes and their uses
- Patent number 4,613,373
- Issue date Sep 23, 1986
- Hokko Chemical Industry Co., Ltd.
- Masayuki Umeno
- C07 - ORGANIC CHEMISTRY