Tetsuya Igarashi

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Takefu-shi Fukui, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon single crystal and wafer doped with gallium and method for...
- Patent number 6,815,605
- Issue date Nov 9, 2004
- Shin-Etsu Handotai Co., Ltd.
- Takao Abe
- C30 - CRYSTAL GROWTH
Information Patent Grant
Apparatus and method for producing silicon semiconductor single cry...
- Patent number 6,764,548
- Issue date Jul 20, 2004
- Shin-Etsu Handotai Co., Ltd.
- Ryoji Hoshi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Production method for silicon wafer and silicon wafer
- Patent number 6,544,656
- Issue date Apr 8, 2003
- Shin-Etsu Handotai Co., Ltd.
- Takao Abe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon germanium crystal
- Patent number 6,498,288
- Issue date Dec 24, 2002
- Shin-Etsu Handotai Co., Ltd.
- Takao Abe
- C30 - CRYSTAL GROWTH
Information Patent Grant
Quartz glass crucible for pulling silicon single crystal and produc...
- Patent number 6,280,522
- Issue date Aug 28, 2001
- Shin-Etsu Quartz Products Co. Ltd.
- Hiroyuki Watanabe
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for producing a silicon single crystal and the silicon singl...
- Patent number 6,153,009
- Issue date Nov 28, 2000
- Shin-Etsu Handotai Co., Ltd.
- Toshiharu Uesugi
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for producing silicon semiconductor single cry...
- Publication number 20030089300
- Publication date May 15, 2003
- Ryoji Hoshi
- C30 - CRYSTAL GROWTH