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Kenji Sera
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Thin film semiconductor device and manufacturing method
Patent number
7,595,533
Issue date
Sep 29, 2009
NEC Corporation
Kenji Sera
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film transistor array substrate and liquid crystal display device
Patent number
7,388,625
Issue date
Jun 17, 2008
NEC Corporation
Tadahiro Matsuzaki
G02 - OPTICS
Information
Patent Grant
Nonvolatile semiconductor memory having a charge accumulation layer...
Patent number
7,294,881
Issue date
Nov 13, 2007
NEC Corporation
Takahiro Korenari
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film semiconductor device and manufacturing method
Patent number
7,224,224
Issue date
May 29, 2007
NEC Corporation
Kenji Sera
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film transistor with set trap level densities, and method of m...
Patent number
7,123,314
Issue date
Oct 17, 2006
NEC Corporation
Naoki Matsunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film transistor, TFT substrate and liquid crystal display unit
Patent number
7,105,905
Issue date
Sep 12, 2006
NEC Corporation
Naoki Matsunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating thin film transistor
Patent number
7,071,040
Issue date
Jul 4, 2006
NEC Corporation
Naoki Matsunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
TFT array substrate and active-matrix addressing liquid-crystal dis...
Patent number
7,027,109
Issue date
Apr 11, 2006
NEC Corporation
Kenji Sera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin-film semiconductor device and liquid crystal display
Patent number
7,023,015
Issue date
Apr 4, 2006
NEC Corporation
Naoki Matsunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a field effect transistor and a liquid crys...
Patent number
7,015,084
Issue date
Mar 21, 2006
NEC Corporation
Kenji Sera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field effect transistor as well as liquid crystal display using the...
Patent number
6,784,456
Issue date
Aug 31, 2004
NEC Corporation
Kenji Sera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid crystal display device having light-shielding film and data...
Patent number
6,559,913
Issue date
May 6, 2003
NEC Corporation
Kenji Sera
G02 - OPTICS
Information
Patent Grant
Thin film transistor for use in liquid crystal display device and m...
Patent number
6,452,241
Issue date
Sep 17, 2002
NEC Corporation
Tamaki Fukata
G02 - OPTICS
Information
Patent Grant
Method for forming polycrystalline silicon film
Patent number
6,391,747
Issue date
May 21, 2002
NEC Corporation
Hiroshi Okumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film transistor manufacturing method
Patent number
6,287,898
Issue date
Sep 11, 2001
NEC Corporation
Kenji Sera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film transistor and its production method
Patent number
5,329,140
Issue date
Jul 12, 1994
NEC Corporation
Kenji Sera
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
THIN FILM SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD
Publication number
20070194377
Publication date
Aug 23, 2007
NEC Corporation
Kenji Sera
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Thin-film transistor array substrate and liquid crystal display device
Publication number
20060132667
Publication date
Jun 22, 2006
NEC Corporation
Tadahiro Matsuzaki
G02 - OPTICS
Information
Patent Application
Nonvolatile semiconductor memory and manufacturing method for the same
Publication number
20050167668
Publication date
Aug 4, 2005
NEC Corporation
Takahiro Korenari
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Thin-film transistor with set trap level densities, and method of m...
Publication number
20050007512
Publication date
Jan 13, 2005
NEC Corporation
Naoki Matsunaga
G02 - OPTICS
Information
Patent Application
Method of manufacturing a field effect transistor and a liquid crys...
Publication number
20040266150
Publication date
Dec 30, 2004
NEC Corporation
Kenji Sera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Thin film transistor, TFT substrate and liquid crystal display unit
Publication number
20040149989
Publication date
Aug 5, 2004
NEC Corporation
Naoki Matsunaga
G02 - OPTICS
Information
Patent Application
Thin-film semiconductor device and liquid crystal display
Publication number
20040063253
Publication date
Apr 1, 2004
NEC Corporation
Naoki Matsunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Thin film semiconductor device and manufacturing method
Publication number
20040046209
Publication date
Mar 11, 2004
NEC Corporation
Kenji Sera
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method of fabricating thin film transistor
Publication number
20040033648
Publication date
Feb 19, 2004
NEC Corporation
Naoki Matsunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TFT array substrate and active-matrix addressing liquid-crystal dis...
Publication number
20030025848
Publication date
Feb 6, 2003
NEC Corporation
Kenji Sera
G02 - OPTICS
Information
Patent Application
Field effect transistor and method of manufacturing the same as wel...
Publication number
20030025161
Publication date
Feb 6, 2003
NEC Corporation
Kenji Sera
H01 - BASIC ELECTRIC ELEMENTS