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Masahiro Nishizawa
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Mobara-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal display device having diffusion reflective electrode...
Patent number
7,692,744
Issue date
Apr 6, 2010
Hitachi Displays, Ltd.
Toshimasa Ishigaki
G02 - OPTICS
Information
Patent Grant
Method of driving organic EL device and display device
Patent number
7,671,825
Issue date
Mar 2, 2010
Hitachi Displays, Ltd.
Norikazu Uchiyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Manufacturing method of a display device using a two-layered resist
Patent number
7,460,189
Issue date
Dec 2, 2008
Hitachi Displays, Ltd.
Toshimasa Ishigaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display device
Patent number
7,397,614
Issue date
Jul 8, 2008
Hitachi Displays, Ltd.
Maki Taniguchi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Display device
Patent number
7,099,091
Issue date
Aug 29, 2006
Hitachi Displays, Ltd.
Maki Taniguchi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Display apparatus with a multi-layer absorption, conduction and pro...
Patent number
6,992,425
Issue date
Jan 31, 2006
Hitachi, Ltd.
Takao Ishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display device having an improved envelope for containing pixels th...
Patent number
6,791,256
Issue date
Sep 14, 2004
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color cathode ray tube and method of manufacturing thereof
Patent number
6,771,017
Issue date
Aug 3, 2004
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having a pigment on a panel front face
Patent number
6,642,647
Issue date
Nov 4, 2003
Hitachi, Ltd.
Maki Taniguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flat face type color cathode ray tube having panel with curved inne...
Patent number
6,555,953
Issue date
Apr 29, 2003
Hitachi Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color picture tube
Patent number
6,465,947
Issue date
Oct 15, 2002
Hitachi, Ltd.
Toshio Tojo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color cathode-ray tube having nonglare means on internal surface of...
Patent number
6,424,086
Issue date
Jul 23, 2002
Hitachi, Ltd.
Yoshiyuki Odaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color cathode ray tube with panel glass having a different light ab...
Patent number
6,359,380
Issue date
Mar 19, 2002
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having high and low refractive index films on the...
Patent number
6,351,062
Issue date
Feb 26, 2002
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color cathode ray tube equipped with field leak preventing coating
Patent number
6,348,770
Issue date
Feb 19, 2002
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing a cathode ray tube
Patent number
6,346,291
Issue date
Feb 12, 2002
Hitachi, Ltd.
Noriharu Matsudate
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having metal film with holes located on upper and...
Patent number
6,274,976
Issue date
Aug 14, 2001
Hitachi, Ltd.
Toshimasa Ishigaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color cathode ray tube equipped with field leak preventing coating
Patent number
6,268,704
Issue date
Jul 31, 2001
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having bismuth oxide layer on color selective elec...
Patent number
6,246,163
Issue date
Jun 12, 2001
Hitachi, Ltd.
Noriharu Matsudate
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having high and low refractive index films on the...
Patent number
6,163,109
Issue date
Dec 19, 2000
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube with multilayered high- and low-refractive index f...
Patent number
5,973,450
Issue date
Oct 26, 1999
Hitachi, Ltd,
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming and anti-reflection film of a cathode-ray tube,...
Patent number
5,817,421
Issue date
Oct 6, 1998
Hitachi, Ltd.
Tomoji Oishi
G02 - OPTICS
Information
Patent Grant
Cathode ray tube having reduced doming effect
Patent number
5,814,928
Issue date
Sep 29, 1998
Hitachi, Ltd.
Noriharu Matsudate
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Anti-reflector film, and a display provided with the same
Patent number
5,712,024
Issue date
Jan 27, 1998
Hitachi, Ltd.
Sachiko Okuzaki
G02 - OPTICS
Information
Patent Grant
Method for forming an anti-reflection film of a cathode-ray tube, a...
Patent number
5,449,534
Issue date
Sep 12, 1995
Hitachi, Ltd.
Tomoji Oishi
G02 - OPTICS
Information
Patent Grant
Photosensitive composition containing water-soluble binder and arom...
Patent number
5,173,382
Issue date
Dec 22, 1992
Hitachi, Ltd.
Hajime Morishita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Black matrix color picture tube
Patent number
5,081,394
Issue date
Jan 14, 1992
Hitachi, Ltd.
Hajime Morishita
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for forming a pattern using a photosensitive azide and a hi...
Patent number
5,024,920
Issue date
Jun 18, 1991
Hitachi, Ltd.
Hajime Morishita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process of improving optical contact of patternwise powdery coating...
Patent number
4,857,429
Issue date
Aug 15, 1989
Hitachi, Ltd.
Nobuaki Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fluorescent screens of color picture tubes and manufacturing method...
Patent number
4,855,200
Issue date
Aug 8, 1989
Hitachi, Ltd.
Yoshifumi Tomita
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Image display device
Publication number
20080143239
Publication date
Jun 19, 2008
Masaki Nishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Liquid Crystal display device and manufacturing method thereof
Publication number
20080088776
Publication date
Apr 17, 2008
Hitachi Displays, Ltd.
Toshimasa Ishigaki
G02 - OPTICS
Information
Patent Application
Resist and manufacturing method of display device using the resist
Publication number
20070008442
Publication date
Jan 11, 2007
Toshimasa Ishigaki
G02 - OPTICS
Information
Patent Application
Display device
Publication number
20060279854
Publication date
Dec 14, 2006
Maki Taniguchi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method of driving organic EL device and display device
Publication number
20060197462
Publication date
Sep 7, 2006
Norikazu Uchiyama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Display device
Publication number
20050280349
Publication date
Dec 22, 2005
Masaki Nishikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Display device
Publication number
20040169936
Publication date
Sep 2, 2004
Maki Taniguchi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Display device having an improved envelope for containing pixels th...
Publication number
20030155861
Publication date
Aug 21, 2003
Hitachi, Ltd.
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Color cathode ray tube
Publication number
20030052587
Publication date
Mar 20, 2003
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Color cathode ray tube and method of manufacturing thereof
Publication number
20020145377
Publication date
Oct 10, 2002
Masahiro Nishizawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Color cathode ray tube
Publication number
20020135291
Publication date
Sep 26, 2002
Maki Taniguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Display device, production process thereof and flat cathode-ray tube
Publication number
20020043922
Publication date
Apr 18, 2002
Hitachi, Ltd.
Tomoji Oishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cathode ray tube
Publication number
20010040428
Publication date
Nov 15, 2001
Toshimasa Ishigaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of producing a cathode ray tube
Publication number
20010024689
Publication date
Sep 27, 2001
Noriharu Matsudate
H01 - BASIC ELECTRIC ELEMENTS