Ryouichi Kubokoya

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Okazaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device employing silicon nitride layers with varied h...
- Patent number 6,137,156
- Issue date Oct 24, 2000
- DENSO Corporation
- Yuji Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for semiconductor device
- Patent number 5,830,771
- Issue date Nov 3, 1998
- Nippondenso Co., Ltd.
- Shigemitsu Fukatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming silicon nitride with varied hydrogen concentration
- Patent number 5,714,408
- Issue date Feb 3, 1998
- Denso Corporation
- Yuji Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS