Kazuhiro Hanazawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for refining silicon
- Patent number 6,231,826
- Issue date May 15, 2001
- Kawasaki Steel Corporation
- Kazuhiro Hanazawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing silicon for use in solar cells
- Patent number 6,090,361
- Issue date Jul 18, 2000
- Kawasaki Steel Corporation
- Hiroyuki Baba
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process and apparatus for manufacturing polycrystalline silicon, an...
- Patent number 5,961,944
- Issue date Oct 5, 1999
- Kawasaki Steel Corporation
- Fukuo Aratani
- C30 - CRYSTAL GROWTH