Michinobu Yamada

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Hiroshima, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a composite metal casting
- Patent number 4,023,613
- Issue date May 17, 1977
- Toyo Kogyo Co., Ltd.
- Yositaka Uebayasi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal made of steel plate and aluminum material
- Patent number 4,005,991
- Issue date Feb 1, 1977
- Toyo Kogyo Co., Ltd.
- Yositaka Uebayasi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rotor housing for a rotary piston type engine and method for manufa...
- Patent number 3,934,321
- Issue date Jan 27, 1976
- Toyo Kogyo Co., Ltd.
- Hirotaka Iida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS