Toshiaki Tamura

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Osaka-fu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Powder feeding apparatus, powder feeding method and powder pressing...
- Patent number 6,474,371
- Issue date Nov 5, 2002
- Sumitomo Special Metals Co., Ltd.
- Atsushi Ogawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for feeding magnetic powder and method for man...
- Patent number 6,432,354
- Issue date Aug 13, 2002
- Sumitomo Special Metals Co., Ltd.
- Atsushi Ogawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Powder feeding apparatus, powder feeding method and powder pressing...
- Patent number 6,321,800
- Issue date Nov 27, 2001
- Sumitomo Special Metals Co., Ltd.
- Atsushi Ogawa
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for feeding magnetic powder and method for man...
- Publication number 20010018029
- Publication date Aug 30, 2001
- Atsushi Ogawa
- B22 - CASTING POWDER METALLURGY