Shinichi Umino

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Yugawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Poppet valve and method of manufacturing it
- Patent number 5,799,683
- Issue date Sep 1, 1998
- Fuji Oozx Inc.
- Akihiro Hamada
- C21 - METALLURGY OF IRON
Information Patent Grant
Steels for exhaust valves having improved fatigue strength at high...
- Patent number 5,753,179
- Issue date May 19, 1998
- Tohoku Steel Co., Ltd.
- Yoshitaka Nishizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Shim for a tappet in an internal combustion engine
- Patent number 5,596,959
- Issue date Jan 28, 1997
- Fuji Oozx Inc.
- Takeji Kenmoku
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Properties of the surface of a titanium alloy engine valve
- Patent number 5,543,029
- Issue date Aug 6, 1996
- Fuji Oozx Inc.
- Takeji Kenmoku
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Titanium alloy engine valve shaft structure
- Patent number 5,370,364
- Issue date Dec 6, 1994
- Fuji Oozx Inc.
- Takeji Kenmoku
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR