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H01J2229/4875

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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2229/00Details of cathode ray tubes or electron beam tubes

Current Industry

H01J2229/4875oval

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Patents Grantslast 30 patents

Information Patent Grant
Color Braun tube apparatus with non-circular electron beam passage...
- Patent number 7,135,813
- Issue date Nov 14, 2006
- Matsushita Toshiba Picture Display Co., Ltd.
- Tsutomu Takekawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line type electron gun and color picture tube apparatus using th...
- Patent number 6,800,992
- Issue date Oct 5, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inline electron gun and color cathode ray tube
- Patent number 6,771,016
- Issue date Aug 3, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroji Morimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an improved electron gun
- Patent number 6,731,056
- Issue date May 4, 2004
- Hitachi, Ltd.
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun in color CRT
- Patent number 6,710,532
- Issue date Mar 23, 2004
- LG Electronics Inc.
- Jin Yeol Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 6,633,142
- Issue date Oct 14, 2003
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having improved main lens
- Patent number 6,417,610
- Issue date Jul 9, 2002
- Hitachi, Ltd.
- Akihito Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an improved electron gun
- Patent number 6,348,759
- Issue date Feb 19, 2002
- Hitachi, Ltd.
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 6,255,788
- Issue date Jul 3, 2001
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an improved electron gun
- Patent number 6,144,151
- Issue date Nov 7, 2000
- Hitachi, Ltd.
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun with polygonal shaped rim electrode
- Patent number 6,133,684
- Issue date Oct 17, 2000
- Kabushiki Kaisha Toshiba
- Takahiro Kawaharada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode-ray tube
- Patent number 6,100,630
- Issue date Aug 8, 2000
- Sony Corporation
- Yasunobu Amano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having improved main lens electrodes
- Patent number 6,081,068
- Issue date Jun 27, 2000
- Hitachi, Ltd.
- Akihito Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 6,031,346
- Issue date Feb 29, 2000
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for in-line color cathode ray tube having differently...
- Patent number 6,031,325
- Issue date Feb 29, 2000
- Sony Corporation
- Yasunobu Amano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode-ray tube with intermediate electrode
- Patent number 6,016,030
- Issue date Jan 18, 2000
- Sony Corporation
- Yasunobu Amano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having correction plate electrodes mounted i...
- Patent number 5,886,462
- Issue date Mar 23, 1999
- Hitachi, Ltd.
- Akihito Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line electron gun for color cathode ray tube with cut away struc...
- Patent number 5,883,463
- Issue date Mar 16, 1999
- Sony Corporation
- Norifumi Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube comprising an in-line electron gun with exte...
- Patent number 5,834,887
- Issue date Nov 10, 1998
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 5,828,191
- Issue date Oct 27, 1998
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having an in-line electron gun with asymmetr...
- Patent number 5,818,157
- Issue date Oct 6, 1998
- U.S. Philips Corporation
- Lambert J. Stil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun assembly for a color cathode ray tube apparatus
- Patent number 5,744,917
- Issue date Apr 28, 1998
- Kabushiki Kaisha Toshiba
- Takahiro Kawaharada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube having improved focus
- Patent number 5,621,286
- Issue date Apr 15, 1997
- Hitachi, Ltd.
- Tsutomu Toujou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with low dynamic correction voltage
- Patent number 5,610,481
- Issue date Mar 11, 1997
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with improved resolution
- Patent number 5,466,983
- Issue date Nov 14, 1995
- Hitachi, Ltd.
- Shoji Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device and cathode ray tube
- Patent number 5,347,202
- Issue date Sep 13, 1994
- U.S. Philips Corporation
- Lambert J. Stil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-line color picture tube
- Patent number 5,148,081
- Issue date Sep 15, 1992
- Nokia Unterhaltungselektronik GmbH
- Werner Neumann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube apparatus
- Patent number 5,091,673
- Issue date Feb 25, 1992
- Kabushiki Kaisha Toshba
- Taketoshi Shimoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for use in color cathode ray tube having a plurality o...
- Patent number 4,978,886
- Issue date Dec 18, 1990
- Hitachi, Ltd.
- Satoru Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating electrode of color picture tube electron gun
- Patent number 4,919,634
- Issue date Apr 24, 1990
- Hitachi, Ltd.
- Masahiro Ito
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Color cathode ray tube apparatus
- Publication number 20050258731
- Publication date Nov 24, 2005
- MATSUSHITA TOSHIBA PICTURE DISPLAY CO., LTD.
- Hirofumi Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color braun tube apparatus
- Publication number 20050231094
- Publication date Oct 20, 2005
- MATSUSHITA TOSHIBA PICTURE DISPLAY CO., LTD.
- Tsutomu Takekawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
In-line type electron gun and color picture tube apparatus using th...
- Publication number 20030210001
- Publication date Nov 13, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yasufumi Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Inline electron gun and color cathode ray tube
- Publication number 20030025436
- Publication date Feb 6, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hiroji Morimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun in color CRT
- Publication number 20020079819
- Publication date Jun 27, 2002
- LG Electronics Inc.
- Jin Yeol Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Color cathode ray tube having an improved electron gun
- Publication number 20020074928
- Publication date Jun 20, 2002
- Tsutomu Tojo
- H01 - BASIC ELECTRIC ELEMENTS

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Color Braun tube apparatus with non-circular electron beam passage...

In-line type electron gun and color picture tube apparatus using th...

Inline electron gun and color cathode ray tube

Color cathode ray tube having an improved electron gun

Electron gun in color CRT

Cathode ray tube with low dynamic correction voltage

Color cathode ray tube having improved main lens

Color cathode ray tube having an improved electron gun

Cathode ray tube with low dynamic correction voltage

Color cathode ray tube having an improved electron gun

Electron gun with polygonal shaped rim electrode

Color cathode-ray tube

Color cathode ray tube having improved main lens electrodes

Cathode ray tube with low dynamic correction voltage

Electron gun for in-line color cathode ray tube having differently...

Color cathode-ray tube with intermediate electrode

Color cathode ray tube having correction plate electrodes mounted i...

In-line electron gun for color cathode ray tube with cut away struc...

Color cathode ray tube comprising an in-line electron gun with exte...

Cathode ray tube with low dynamic correction voltage

Color cathode ray tube having an in-line electron gun with asymmetr...

Electron gun assembly for a color cathode ray tube apparatus

Color cathode ray tube having improved focus

Cathode ray tube with low dynamic correction voltage

Cathode ray tube with improved resolution

Display device and cathode ray tube

In-line color picture tube

Color cathode ray tube apparatus

Electron gun for use in color cathode ray tube having a plurality o...

Method of fabricating electrode of color picture tube electron gun

Patents Applicationslast 30 patents

Color cathode ray tube apparatus

Color braun tube apparatus

In-line type electron gun and color picture tube apparatus using th...

Inline electron gun and color cathode ray tube

Electron gun in color CRT

Color cathode ray tube having an improved electron gun