Katsuhiko Kumagawa

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display device
- Patent number 9,117,778
- Issue date Aug 25, 2015
- Joled Inc
- Hiroto Yanagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Active matrix type display apparatus, method for driving the same,...
- Patent number RE41237
- Issue date Apr 20, 2010
- Panasonic Corporation
- Yukio Tanaka
- 345 - Computer graphics processing and selective visual display systems
Information Patent Grant
Display and its driving method
- Patent number 7,499,115
- Issue date Mar 3, 2009
- Panasonic Corporation
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical pickup, optical information recording/reproducing apparatus...
- Patent number 7,215,476
- Issue date May 8, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Kitaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Image display apparatus and image display method
- Patent number 7,173,609
- Issue date Feb 6, 2007
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display element driving method and liquid crystal di...
- Patent number 7,161,574
- Issue date Jan 9, 2007
- Matsushita Electric Industrial Co., Ltd.
- Masanori Kimura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display drive method and liquid crystal display
- Patent number 7,034,790
- Issue date Apr 25, 2006
- Matsushita Electric Industrial Co., Ltd.
- Tetsuo Fukami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical pickup, optical information recording/reproducing apparatus...
- Patent number 7,035,192
- Issue date Apr 25, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Kitaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal display
- Patent number 7,030,848
- Issue date Apr 18, 2006
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display
- Patent number 6,965,367
- Issue date Nov 15, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yukio Tanaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Active matrix type display apparatus method for driving the same, a...
- Patent number 6,963,335
- Issue date Nov 8, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yukio Tanaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display and its driving method
- Patent number 6,933,916
- Issue date Aug 23, 2005
- Matsushita Electric Industrial Co., Ltd.
- Kenji Nakao
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal device
- Patent number 6,914,644
- Issue date Jul 5, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tetsuo Fukami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display unit and drive method therefor
- Patent number 6,909,415
- Issue date Jun 21, 2005
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal screen display
- Patent number 6,906,769
- Issue date Jun 14, 2005
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G02 - OPTICS
Information Patent Grant
Active matrix liquid crystal display element
- Patent number 6,900,852
- Issue date May 31, 2005
- Matsushita Electric Industrial Co., Ltd.
- Takashi Okada
- G02 - OPTICS
Information Patent Grant
Liquid crystal screen display
- Patent number 6,896,940
- Issue date May 24, 2005
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device with a plurality of projections havin...
- Patent number 6,850,309
- Issue date Feb 1, 2005
- Matsushita Electric Industrial Co., Ltd.
- Kazuo Inoue
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device having additional storage capacitance
- Patent number 6,850,303
- Issue date Feb 1, 2005
- Matsushita Electric Industrial Co., Ltd.
- Masanori Kimura
- G02 - OPTICS
Information Patent Grant
Optical pickup, optical information recording/reproducing apparatus...
- Patent number 6,819,646
- Issue date Nov 16, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Kitaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal display device
- Patent number 6,816,208
- Issue date Nov 9, 2004
- Matsushita Electric Industrial Co., Ltd.
- Tetsuo Fukami
- G02 - OPTICS
Information Patent Grant
Method for manufacturing an in-plane electric field mode liquid cry...
- Patent number 6,801,293
- Issue date Oct 5, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kazuhiro Nishiyama
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 6,801,264
- Issue date Oct 5, 2004
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G02 - OPTICS
Information Patent Grant
LCD panel
- Patent number 6,787,829
- Issue date Sep 7, 2004
- Matsushita Electric Industrial Co., Ltd.
- Tetsuo Fukami
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device, pixels repair method thereof, and dr...
- Patent number 6,781,659
- Issue date Aug 24, 2004
- Matsushita Electric Industrial Co., Ltd.
- Akinori Shiota
- G02 - OPTICS
Information Patent Grant
Liquid-crystal display device
- Patent number 6,774,963
- Issue date Aug 10, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kenji Nakao
- G02 - OPTICS
Information Patent Grant
Liquid crystal display with special electrode configurations and co...
- Patent number 6,762,816
- Issue date Jul 13, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Yamakita
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 6,717,628
- Issue date Apr 6, 2004
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G02 - OPTICS
Information Patent Grant
Liquid crystal display with opaque common electrodes over the video...
- Patent number 6,697,141
- Issue date Feb 24, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Yamakita
- G02 - OPTICS
Information Patent Grant
Driving method, drive IC and drive circuit for liquid crystal display
- Patent number 6,633,272
- Issue date Oct 14, 2003
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE
- Publication number 20140139761
- Publication date May 22, 2014
- PANASONIC CORPORATION
- Hiroto Yanagawa
- G02 - OPTICS
Information Patent Application
IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD
- Publication number 20110007050
- Publication date Jan 13, 2011
- Ichiro Sato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY DEVICE AND DRIVING METHOD THEREOF
- Publication number 20090174828
- Publication date Jul 9, 2009
- PANASONIC CORPORATION
- Katsuhiko KUMAGAWA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Image display apparatus and image display method
- Publication number 20070063944
- Publication date Mar 22, 2007
- Ichiro Sato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal display
- Publication number 20060119566
- Publication date Jun 8, 2006
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal display
- Publication number 20060114204
- Publication date Jun 1, 2006
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal display device with a plurality of projections havin...
- Publication number 20050099581
- Publication date May 12, 2005
- Matsushita Electric Industrial Co., Ltd.
- Kazuo Inoue
- G02 - OPTICS
Information Patent Application
Optical pickup, optical information recording/reproducing apparatus...
- Publication number 20050058027
- Publication date Mar 17, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Kitaoka
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup, optical information recording/reproducing apparatus...
- Publication number 20050030880
- Publication date Feb 10, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Kitaoka
- G11 - INFORMATION STORAGE
Information Patent Application
Liquid crystal dispaly element driving method and liquid crystal di...
- Publication number 20040196415
- Publication date Oct 7, 2004
- Masanori Kimura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal screen display
- Publication number 20040179162
- Publication date Sep 16, 2004
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G02 - OPTICS
Information Patent Application
Liquid crystal display device
- Publication number 20040160541
- Publication date Aug 19, 2004
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G02 - OPTICS
Information Patent Application
Display and its driving method
- Publication number 20040109122
- Publication date Jun 10, 2004
- Katsuhiko Kumagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal screen display
- Publication number 20040100602
- Publication date May 27, 2004
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Sato
- G02 - OPTICS
Information Patent Application
Liquid crystal display and its driving method
- Publication number 20030122767
- Publication date Jul 3, 2003
- Kenji Nakao
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal display device
- Publication number 20030117534
- Publication date Jun 26, 2003
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Kumagawa
- G02 - OPTICS
Information Patent Application
Liquid crystal display and its manufacturing method
- Publication number 20030090609
- Publication date May 15, 2003
- Kazuo Inoue
- G02 - OPTICS
Information Patent Application
Liquid crystal screen display
- Publication number 20030081164
- Publication date May 1, 2003
- Ichiro Sato
- G02 - OPTICS
Information Patent Application
Display unit and drive method therefor
- Publication number 20030063074
- Publication date Apr 3, 2003
- Katsuhiko Kumagawa
- G02 - OPTICS
Information Patent Application
Liquid crystal display drive method and liquid crystal display
- Publication number 20030011555
- Publication date Jan 16, 2003
- Tetsuo Fukami
- G02 - OPTICS
Information Patent Application
Liquid crystal display
- Publication number 20020196220
- Publication date Dec 26, 2002
- Ichiro Sato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Liquid crystal display panel
- Publication number 20020176043
- Publication date Nov 28, 2002
- Tetsuo Fukami
- G02 - OPTICS
Information Patent Application
Liquid crystal display
- Publication number 20020171779
- Publication date Nov 21, 2002
- Masanori Kimura
- G02 - OPTICS
Information Patent Application
Liquid crystal device
- Publication number 20020158997
- Publication date Oct 31, 2002
- Tetsuo Fukami
- G02 - OPTICS
Information Patent Application
Liquid crystal display and fabrication method thereof
- Publication number 20020154262
- Publication date Oct 24, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Yamakita
- G02 - OPTICS
Information Patent Application
Liquid crystal display device, pixels repair method thereof, and dr...
- Publication number 20020154079
- Publication date Oct 24, 2002
- Akinori Shiota
- G02 - OPTICS
Information Patent Application
Active matrix display device, its driving method, and display element
- Publication number 20020154084
- Publication date Oct 24, 2002
- Yukio Tanaka
- G02 - OPTICS
Information Patent Application
Display
- Publication number 20020149576
- Publication date Oct 17, 2002
- Yukio Tanaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Image display and method for displaying image
- Publication number 20020140691
- Publication date Oct 3, 2002
- Ichiro Sato
- G02 - OPTICS
Information Patent Application
Active matrix liquid crystal display element
- Publication number 20020113913
- Publication date Aug 22, 2002
- Takashi Okada
- G02 - OPTICS

Katsuhiko Kumagawa

Person

Patents Grantslast 30 patents

Display device

Active matrix type display apparatus, method for driving the same,...

Display and its driving method

Optical pickup, optical information recording/reproducing apparatus...

Image display apparatus and image display method

Liquid crystal display element driving method and liquid crystal di...

Liquid crystal display drive method and liquid crystal display

Optical pickup, optical information recording/reproducing apparatus...

Liquid crystal display

Display

Active matrix type display apparatus method for driving the same, a...

Liquid crystal display and its driving method

Liquid crystal device

Display unit and drive method therefor

Liquid crystal screen display

Active matrix liquid crystal display element

Liquid crystal screen display

Liquid crystal display device with a plurality of projections havin...

Liquid crystal display device having additional storage capacitance

Optical pickup, optical information recording/reproducing apparatus...

Liquid crystal display device

Method for manufacturing an in-plane electric field mode liquid cry...

Liquid crystal display device

LCD panel

Liquid crystal display device, pixels repair method thereof, and dr...

Liquid-crystal display device

Liquid crystal display with special electrode configurations and co...

Liquid crystal display device

Liquid crystal display with opaque common electrodes over the video...

Driving method, drive IC and drive circuit for liquid crystal display

Patents Applicationslast 30 patents

DISPLAY DEVICE

IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD

DISPLAY DEVICE AND DRIVING METHOD THEREOF

Image display apparatus and image display method

Liquid crystal display

Liquid crystal display

Liquid crystal display device with a plurality of projections havin...

Optical pickup, optical information recording/reproducing apparatus...

Optical pickup, optical information recording/reproducing apparatus...

Liquid crystal dispaly element driving method and liquid crystal di...

Liquid crystal screen display

Liquid crystal display device

Display and its driving method

Liquid crystal screen display

Liquid crystal display and its driving method

Liquid crystal display device

Liquid crystal display and its manufacturing method

Liquid crystal screen display

Display unit and drive method therefor

Liquid crystal display drive method and liquid crystal display

Liquid crystal display

Liquid crystal display panel

Liquid crystal display

Liquid crystal device

Liquid crystal display and fabrication method thereof

Liquid crystal display device, pixels repair method thereof, and dr...

Active matrix display device, its driving method, and display element

Display

Image display and method for displaying image

Active matrix liquid crystal display element