Masashi Oya

Follow

Person

Hiroshima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for grinding a rotary body
- Patent number 4,716,687
- Issue date Jan 5, 1988
- Mitsubishi Jukogyo Kabushiki Kaisha
- Hidehiko Tsukamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for grinding a rotary body
- Patent number 4,671,017
- Issue date Jun 9, 1987
- Mitsubishi Jukogyo Kabushiki Kaisha
- Kazuo Ideue
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device for detecting the surface level of molten metal in a mold
- Patent number 4,112,759
- Issue date Sep 12, 1978
- Mitsubishi Jukogyo Kabushiki Kaisha
- Michitaka Mizuno
- B22 - CASTING POWDER METALLURGY