Hazumu Kougami

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor substrate and field-effect transistor, and manufactur...
- Patent number 7,405,142
- Issue date Jul 29, 2008
- Sumco Corporation
- Ichiro Shiono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing semiconductor substrate, method for producing...
- Patent number 7,198,997
- Issue date Apr 3, 2007
- Sumitomo Mitsubishi Silicon Corporation
- Ichiro Shiono
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor substrate, field-effect transistor, and their product...
- Publication number 20060258126
- Publication date Nov 16, 2006
- SUMCO CORPORATION
- Ichiro Shiono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for producing semiconductor substrate and method for fabrica...
- Publication number 20060022200
- Publication date Feb 2, 2006
- Sumitomo Mitsubishi Silicon Corporation
- Ichiro Shiono
- H01 - BASIC ELECTRIC ELEMENTS