Ryoji SHIGEMASA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing semiconductor device and semiconductor manu...
- Patent number 8,241,515
- Issue date Aug 14, 2012
- Oki Semiconductor Co., Ltd.
- Kazuhiko Ohmuro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device manufacturing method
- Patent number 7,981,787
- Issue date Jul 19, 2011
- Oki Semiconductor Co., Ltd.
- Takayuki Izumi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device manufacturing method
- Publication number 20100048016
- Publication date Feb 25, 2010
- Oki Semiconductor Co., Ltd.
- Takayuki IZUMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of manufacturing semiconductor device and semiconductor manu...
- Publication number 20080242103
- Publication date Oct 2, 2008
- Oki Electric Industry Co., Ltd.
- Kazuhiko Ohmuro
- H01 - BASIC ELECTRIC ELEMENTS