Yoshio Matsumura

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Hiratsuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Waterborne lubricant for the cold plastic working of metals
- Patent number 6,194,357
- Issue date Feb 27, 2001
- Henkel Corporation
- Motoharu Murata
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Information Patent Grant
Process for surface treatment titanium-containing metallic material
- Patent number 5,116,430
- Issue date May 26, 1992
- Nihon Parkerizing Co., Ltd.
- Eiji Hirai
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR