Mitsuo Matsumura

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Patents Grantslast 30 patents

Information Patent Grant
Quart crucible with large diameter for pulling single crystal and m...
- Patent number 6,136,092
- Issue date Oct 24, 2000
- Shin-Etsu Quartz Products Co., Ltd.
- Tatsuhiro Sato
- C30 - CRYSTAL GROWTH
Information Patent Grant
Quartz crucible with large diameter for pulling single crystal and...
- Patent number 5,989,021
- Issue date Nov 23, 1999
- Shin-Etsu Quartz Products Co., Ltd.
- Tatsuhiro Sato
- C30 - CRYSTAL GROWTH
Information Patent Grant
Manufacture of quartz glass crucible for use in the manufacture of...
- Patent number 5,174,801
- Issue date Dec 29, 1992
- Shin-Etsu Quartz Products Co. Ltd.
- Mitsuo Matsumura
- C30 - CRYSTAL GROWTH
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