Hisaji Shimomura

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Shimonoseki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing zinc or zinc alloy powder for battery
- Patent number 6,746,509
- Issue date Jun 8, 2004
- Mitsui Mining and Smelting Company, Ltd.
- Akira Oyama
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Process for producing zinc or zinc alloy powder for battery
- Publication number 20040170897
- Publication date Sep 2, 2004
- MITSUI MINING & SMELTING COMPANY, LTD.
- Akira Oyama
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PROCESS FOR PRODUCING ZINC OR ZINC ALLOY POWDER FOR BATTERY
- Publication number 20040045404
- Publication date Mar 11, 2004
- Akira Oyama
- B22 - CASTING POWDER METALLURGY