Keitaro Yoshihara

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Okazaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for the preparation of finely divided metal particles
- Patent number 4,844,736
- Issue date Jul 4, 1989
- Idemitsu Kosan Co., Ltd.
- Nobuo Shimo
- B22 - CASTING POWDER METALLURGY