Toshio Hisaichi

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Patents Grantslast 30 patents

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
Information Patent Grant
Method of controlling oxygen concentration in single crystal and an...
- Patent number 5,131,974
- Issue date Jul 21, 1992
- Shin-Etsu Handotai Co., Ltd.
- Tetsuhiro Oda
- C30 - CRYSTAL GROWTH