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Seiji Ihumiya
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Yokohama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Semiconductor device having a gate insulating film structure includ...
Patent number
7,544,593
Issue date
Jun 9, 2009
Kabushiki Kaisha Toshiba
Yoshitaka Tsunashima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
SEMICONDUCTOR DEVICE HAVING A GATE INSULATING FILM STRUCTURE INCLUD...
Publication number
20090233451
Publication date
Sep 17, 2009
Yoshitaka Tsunashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device having a gate insulating film structure includ...
Publication number
20080102616
Publication date
May 1, 2008
Yoshitaka Tsunashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device having a gate insulating film structure includ...
Publication number
20050006675
Publication date
Jan 13, 2005
Kabushiki Kaisha Toshiba
Yoshitaka Tsunashima
H01 - BASIC ELECTRIC ELEMENTS