Hiroshi Ohtsuna

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Echizen, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for detecting diameter of single crystal, single-crystal man...
- Patent number 8,349,074
- Issue date Jan 8, 2013
- Shin-Etsu Handotai Co., Ltd.
- Hiroshi Ohtsuna
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method of automatic control of growing neck portion of a single cry...
- Patent number 5,183,528
- Issue date Feb 2, 1993
- Shin-Etsu Handotai Company, Limited
- Masahiko Baba
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of and device for diameter measurement used in automatically...
- Patent number 5,138,179
- Issue date Aug 11, 1992
- Shin-Etsu Handotai Company, Limited
- Masahiko Baba
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
SINGLE-CRYSTAL MANUFACTURING APPARATUS AND METHOD FOR MANUFACTURING...
- Publication number 20130032083
- Publication date Feb 7, 2013
- Shin-Etsu Handotai Co., Ltd.
- Katsuyuki Kitagawa
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR DETECTING DIAMETER OF SINGLE CRYSTAL, SINGLE-CRYSTAL MAN...
- Publication number 20110146564
- Publication date Jun 23, 2011
- Shin-Etsu Handotai Co., Ltd.
- Hiroshi Ohtsuna
- C30 - CRYSTAL GROWTH