Kazuhiro Ikezawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon electrode plate for plasma etching with superior durability
- Patent number 7,820,007
- Issue date Oct 26, 2010
- Sumco Corporation
- Hideki Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Epitaxial wafer
- Patent number 6,818,197
- Issue date Nov 16, 2004
- Mitsubishi Materials Silicon Corporation
- Kazuhiro Ikezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of exhausting silicon oxide
- Patent number 5,573,591
- Issue date Nov 12, 1996
- Mitsubishi Materials Silicon Corporation
- Kazuhiro Ikezawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
System for pulling-up monocrystal and method of exhausting silicon...
- Patent number 5,476,065
- Issue date Dec 19, 1995
- Mitsubishi Materials Silicon Corp.
- Kazuhiro Ikezawa
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
Silicon electrode plate for plasma etching with superior durability
- Publication number 20070181868
- Publication date Aug 9, 2007
- SUMCO CORPORATION
- Hideki Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Epitaxial wafer
- Publication number 20030157341
- Publication date Aug 21, 2003
- Kazuhiro Ikezawa
- C30 - CRYSTAL GROWTH