Akira Uchikawa

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of a quartz glass vessel for the growth of single cryst...
- Patent number 4,956,208
- Issue date Sep 11, 1990
- Shin-Etsu Handotai Co., Ltd.
- Akira Uchikawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Manufacture of a quartz glass vessel for the growth of single cryst...
- Patent number 4,935,046
- Issue date Jun 19, 1990
- Shin-Etsu Handotai Company, Limited
- Akira Uchikawa
- C30 - CRYSTAL GROWTH