Takeo Aoki

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Kawanishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production of ultra-low phosphorus steel
- Patent number 4,456,477
- Issue date Jun 26, 1984
- Sumitomo Metal Industries, Inc.
- Seiichi Masuda
- C21 - METALLURGY OF IRON
Information Patent Grant
Dephosphorization and desulfurization method for molten iron alloy...
- Patent number 4,450,004
- Issue date May 22, 1984
- Sumitomo Kinzoku Kogyo Kabushiki Kaisha
- Tohru Matsuo
- C21 - METALLURGY OF IRON
Information Patent Grant
Lance for powder top-blow refining and process for decarburizing an...
- Patent number 4,426,224
- Issue date Jan 17, 1984
- Sumitomo Kinzoku Kogyo Kabushiki Gaisha
- Kaoru Shimme
- C21 - METALLURGY OF IRON