Masaaki Aoyama

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Kouriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Large sized quartz glass tube, large scale quartz glass preform, pr...
- Patent number 5,837,334
- Issue date Nov 17, 1998
- Heraeus Quarzglas GmbH
- Kiyoshi Yokokawa
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for manufacturing large-sized quartz glass tube
- Patent number 5,785,729
- Issue date Jul 28, 1998
- Heraeus Quarzglas GmbH
- Kiyoshi Yokokawa
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Single-wafer heat-treatment apparatus and method of manufacturing r...
- Patent number 5,651,827
- Issue date Jul 29, 1997
- Heraeus Quarzglas GmbH
- Masaaki Aoyama
- 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