Kouzou Yokota

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Annaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Single-crystal manufacturing apparatus
- Patent number 8,821,636
- Issue date Sep 2, 2014
- Shin-Etsu Handotai Co., Ltd.
- Takao Abe
- C30 - CRYSTAL GROWTH
Information Patent Grant
Cleaning method of crucible
- Patent number 5,885,365
- Issue date Mar 23, 1999
- Shin-Etsu Handotai Co., Ltd.
- Shiniti Sugai
- 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

Patents Applicationslast 30 patents

Information Patent Application
SINGLE-CRYSTAL MANUFACTURING APPARATUS
- Publication number 20110030612
- Publication date Feb 10, 2011
- Shin-Etsu Handotai Co., Ltd.
- Takao Abe
- C30 - CRYSTAL GROWTH