Toshihisa Katamime

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fabrication of InGaAlN based compound semiconductor device
- Patent number 6,100,105
- Issue date Aug 8, 2000
- Sumitomo Chemical Company, Ltd.
- Toshihisa Katamime
- C30 - CRYSTAL GROWTH
Information Patent Grant
Member for use in production device for semiconductors
- Patent number 5,980,632
- Issue date Nov 9, 1999
- Sumitomo Chemical Company, Limited
- Yasushi Iyechika
- H01 - BASIC ELECTRIC ELEMENTS