Hiroki Murakami

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Ogi-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon single crystal, silicon wafer, and epitaxial wafer
- Patent number 6,878,451
- Issue date Apr 12, 2005
- Sumitomo Mitsubishi Silicon Corporation
- Eiichi Asayama
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Silicon wafer and epitaxial silicon wafer utilizing same
- Patent number 6,569,535
- Issue date May 27, 2003
- Sumitomo Metal Industries, Ltd.
- Hiroki Murakami
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method of producing high-quality silicon single crystals
- Patent number 6,458,204
- Issue date Oct 1, 2002
- Sumitomo Metal Industries, Ltd.
- Masahiko Okui
- C30 - CRYSTAL GROWTH
Information Patent Grant
Quartz crucible reproducing method
- Patent number 6,302,957
- Issue date Oct 16, 2001
- Sumitomo Metal Industries, Ltd.
- Makoto Ito
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
Method of making an epitaxial wafer
- Publication number 20040216659
- Publication date Nov 4, 2004
- Eiichi Asayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Silicon single crystal, silicon wafer, and epitaxial wafer
- Publication number 20030175532
- Publication date Sep 18, 2003
- Sumitomo Metal Industries, Ltd.
- Eiichi Asayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Silicon single crystal, silicon wafer, and epitaxial wafer
- Publication number 20020142171
- Publication date Oct 3, 2002
- SUMITOMO METAL INDUSTRIES, LTD.
- Eiichi Asayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Silicon single crystal, silicon wafer, and epitaxial wafer
- Publication number 20020142170
- Publication date Oct 3, 2002
- SUMITOMO METAL INDUSTRIES, LTD.
- Eiichi Asayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Silicon wafer and epitaxial silicon wafer utilizing same
- Publication number 20020081440
- Publication date Jun 27, 2002
- Sumitomo Metal Industries, Ltd.
- Hiroki Murakami
- C30 - CRYSTAL GROWTH