Takashi Onoyama

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing spherical metal particles
- Patent number 4,705,656
- Issue date Nov 10, 1987
- Nippon Yakin Kogyo Co., Ltd.
- Takashi Onoyama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Flake like metal chips, a method of and an apparatus for making the...
- Patent number 4,647,511
- Issue date Mar 3, 1987
- Nippon Yakin Kogyo Co., Ltd.
- Takashi Onoyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Apparatus for producing flake particles
- Patent number 4,552,199
- Issue date Nov 12, 1985
- Nippon Yakin Kogyo Co., Ltd.
- Takashi Onoyama
- B22 - CASTING POWDER METALLURGY