Shinji Ohgama

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing fine powder of metallic nickel comprised of fi...
- Patent number 6,592,645
- Issue date Jul 15, 2003
- Sakai Chemical Industry Co., Ltd.
- Hideto Mizutani
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing fine spherical particles of carbonate or hydro...
- Patent number 6,197,273
- Issue date Mar 6, 2001
- Sakai Chemical Industry Co., Ltd.
- Kazuhiko Nagano
- B22 - CASTING POWDER METALLURGY