Hiroki Okudera

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Ishikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Powder having at least one layer and process for preparing the same
- Patent number 6,048,574
- Issue date Apr 11, 2000
- Nittetsu Mining Co., Ltd.
- Takafumi Atarashi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Powder having at least one layer and process for preparing the same
- Patent number 5,763,085
- Issue date Jun 9, 1998
- Nittetsu Mining Co., Ltd.
- Takafumi Atarashi
- B22 - CASTING POWDER METALLURGY