Yasushi Kumagai

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device, method for manufacturing semiconductor device...
- Patent number 8,237,295
- Issue date Aug 7, 2012
- Kabushiki Kaisha Toshiba
- Yuichi Sano
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Semiconductor device which includes contact plug and embedded inter...
- Patent number 7,994,642
- Issue date Aug 9, 2011
- Kabushiki Kaisha Toshiba
- Makoto Sakuma
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE...
- Publication number 20110309502
- Publication date Dec 22, 2011
- Kabushiki Kaisha Toshiba
- Yuichi SANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE WHICH INCLUDES CONTACT PLUG AND EMBEDDED INTER...
- Publication number 20100084770
- Publication date Apr 8, 2010
- KABUSHIKI KAISHA TOSHIBA
- MAKOTO SAKUMA
- H01 - BASIC ELECTRIC ELEMENTS