Katsuhiko Ogino

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Annaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for supplying granular raw material for a semiconductor s...
- Patent number 5,462,010
- Issue date Oct 31, 1995
- Shin-Etsu Handotai Co., Ltd.
- Kiyotaka Takano
- C30 - CRYSTAL GROWTH
Information Patent Grant
Isolation valve for single crystal pulling apparatus
- Patent number 5,356,113
- Issue date Oct 18, 1994
- Shin-Etsu Handotai Co., Ltd.
- Koji Mizuishi
- C30 - CRYSTAL GROWTH