Masahiro Kotaki

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Inazawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting device of gallium nitride compound semiconductor
- Patent number RE36747
- Issue date Jun 27, 2000
- Toyoda Gosei Co., Ltd
- Katsuhide Manabe
- 257 - Active solid-state devices
Information Patent Grant
Light emitting semiconductor device using nitrogen-Group III compound
- Patent number 5,905,276
- Issue date May 18, 1999
- Akasaki; Isamu
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device of gallium nitride compound semiconductor
- Patent number 5,408,120
- Issue date Apr 18, 1995
- Toyoda Gosei Co., Ltd.
- Katsuhide Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting semiconductor device using gallium nitride group com...
- Patent number 5,281,830
- Issue date Jan 25, 1994
- Toyoda Gosei Co., Ltd.
- Masahiro Kotaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dry etching method for semiconductor
- Patent number 5,205,905
- Issue date Apr 27, 1993
- Toyoda Gosei Co., Ltd.
- Masahiro Kotaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dry etching method for semiconductor
- Patent number 4,946,548
- Issue date Aug 7, 1990
- Toyoda Gosei Co., Ltd.
- Masahiro Kotaki
- H01 - BASIC ELECTRIC ELEMENTS