Takashi Yamaguchi

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cylinder liner and cylinder block and method for producing the cyli...
- Patent number 5,727,511
- Issue date Mar 17, 1998
- Ryobi Ltd.
- Hiroyuki Omura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Aluminum die-casting alloys
- Patent number 4,976,918
- Issue date Dec 11, 1990
- Ryobi Limited
- Naomi Nishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal parts joint structure and method for producing the same
- Patent number 4,925,510
- Issue date May 15, 1990
- Ryobi Ltd.
- Nobuyoshi Hojo
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Aluminum die-casting alloys
- Patent number 4,847,048
- Issue date Jul 11, 1989
- Ryobi Limited
- Naomi Nishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...