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Kazuya Nakayama
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Sagamihara-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device
Patent number
8,008,715
Issue date
Aug 30, 2011
Kabushiki Kaisha Toshiba
Yusuke Kawaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-breakdown-voltage semiconductor apparatus
Patent number
RE40712
Issue date
May 19, 2009
Kabushiki Kaisha Toshiba
Kazuya Nakayama
257 - Active solid-state devices
Information
Patent Grant
High-breakdown-voltage semiconductor apparatus
Patent number
RE40705
Issue date
May 5, 2009
Kabushiki Kaisha Toshiba
Kazuya Nakayama
257 - Active solid-state devices
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
7,341,900
Issue date
Mar 11, 2008
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
7,034,346
Issue date
Apr 25, 2006
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of fabricating the same
Patent number
7,019,361
Issue date
Mar 28, 2006
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of fabricating the same
Patent number
6,958,514
Issue date
Oct 25, 2005
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron emission film and field emission cold cathode device
Patent number
6,469,425
Issue date
Oct 22, 2002
Kabushiki Kaisha Toshiba
Tadashi Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron emitting device and switching circuit using the same
Patent number
6,323,831
Issue date
Nov 27, 2001
Kabushiki Kaisha Toshiba
Tomio Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold-cathode power switching device of field-emission type
Patent number
6,297,586
Issue date
Oct 2, 2001
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Insulated-gate thyristor
Patent number
6,236,069
Issue date
May 22, 2001
Kabushiki Kaisha Toshiba
Takashi Shinohe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Micro power switch using a cold cathode and a driving method thereof
Patent number
6,057,636
Issue date
May 2, 2000
Kabushiki Kaisha Toshiba
Tadashi Sakai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High-breakdown-voltage semiconductor apparatus
Patent number
6,040,598
Issue date
Mar 21, 2000
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Insulated-gate thyristor
Patent number
5,793,065
Issue date
Aug 11, 1998
Kabushiki Kaisha Toshiba
Takashi Shinohe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor device
Patent number
5,703,383
Issue date
Dec 30, 1997
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor device
Patent number
5,554,862
Issue date
Sep 10, 1996
Kabushiki Kaisha Toshiba
Ichiro Omura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Insulated-gate thyristor
Patent number
5,464,994
Issue date
Nov 7, 1995
Kabushiki Kaisha Toshiba
Takashi Shinohe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of operating thyristor with insulated gates
Patent number
5,463,231
Issue date
Oct 31, 1995
Kabushiki Kaisha Toshiba
Tsuneo Ogura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of operating thyristor with insulated gates
Patent number
5,428,228
Issue date
Jun 27, 1995
Kabushiki Kaisha Toshiba
Tsuneo Ogura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Insulated-gate thyristor
Patent number
5,381,026
Issue date
Jan 10, 1995
Kabushiki Kaisha Toshiba
Takashi Shinohe
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20090032875
Publication date
Feb 5, 2009
Kabushiki Kaisha Toshiba
Yusuke KAWAGUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20080035992
Publication date
Feb 14, 2008
Kabushiki Kaisha Toshiba
Yusuke KAWAGUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and method for manufacturing the same
Publication number
20050258503
Publication date
Nov 24, 2005
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and method of fabricating the same
Publication number
20050121718
Publication date
Jun 9, 2005
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and method of fabricating the same
Publication number
20040046202
Publication date
Mar 11, 2004
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and method for manufacturing the same
Publication number
20040007766
Publication date
Jan 15, 2004
Kabushiki Kaisha Toshiba
Kazuya Nakayama
H01 - BASIC ELECTRIC ELEMENTS