Toshiro Kotooka

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Hiratsuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for manufacturing single crystals
- Patent number 6,036,776
- Issue date Mar 14, 2000
- Komatsu Electronic Metals Co., Ltd.
- Toshiro Kotooka
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for fabricating a single-crystal semiconductor
- Patent number 5,997,635
- Issue date Dec 7, 1999
- Komatsu Electronic Metals Co., Ltd.
- Toshimichi Kubota
- C30 - CRYSTAL GROWTH
Information Patent Grant
Apparatus for fabricating a single-crystal semiconductor
- Patent number 5,853,480
- Issue date Dec 29, 1998
- Komatsu Electronic Metals Co., Ltd.
- Toshimichi Kubota
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor single-crystal pulling apparatus
- Patent number 5,824,152
- Issue date Oct 20, 1998
- Komatsu Electronic Metals Co., Ltd.
- Toshimichi Kubota
- C30 - CRYSTAL GROWTH