Inventor

Kazunori Katakura

Inventor

Atsugi, JP

Overview

1992–2009

Patent span

Physics

Primary field (CPC G)

Patents· 59 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G09Gprimary

G09GArrangements or circuits for control of indicating devices using static means to present variable information79%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%

C09KMaterials for miscellaneous applications, not provided for elsewhere1%

G09FDisplaying1%

H01JElectric discharge tubes or discharge lamps1%

PatentTitleYear

7,573,472'Drive circuit, display device, and driving method'2009 7,097,530'Electron source substrate and display apparatus using it'2006 6,995,516'Drive circuit, display device, and driving method'2006 6,714,212'Display apparatus'2004 6,452,581'Driving method for liquid crystal device and liquid crystal apparatus'2002 6,335,777'LCD having particular align direction with respect to a light-interrupting layer'2002 6,323,850'Driving method for liquid crystal device'2001 6,252,641'Liquid crystal device and liquid crystal apparatus'2001 6,144,435'Liquid crystal device, process for producing same and liquid crystal apparatus'2000 6,122,031'Liquid crystal device and liquid crystal apparatus including same'2000 6,075,511'Drive voltages switched depending upon temperature detection of chiral smectic liquid crystal displays'2000 6,072,555'Display apparatus capable of gradational display'2000 6,061,044'Liquid-crystal display apparatus'2000 6,057,824'Display apparatus having fast rewrite operation'2000 6,028,579'Driving method for liquid crystal devices'2000 5,973,657'Liquid crystal display apparatus'1999 5,963,190'Driving method for display device and display apparatus'1999 5,943,035'Driving method and apparatus for liquid crystal device'1999 5,933,128'Chiral smectic liquid crystal apparatus and driving method therefor'1999 5,886,678'Driving method for liquid crystal device'1999 5,844,536'Display apparatus'1998 5,815,133'Display apparatus'1998 5,815,132'Liquid crystal display apparatus'1998 5,815,131'Liquid crystal apparatus'1998 5,815,130'Chiral smectic liquid crystal display and method of selectively driving the scanning and data electrodes'1998 5,808,594'Driving method for display device and display apparatus'1998 5,796,381'Driving methods for liquid crystal devices and liquid crystal apparatus'1998 5,754,154'Liquid crystal display apparatus'1998 5,734,365'Liquid crystal display apparatus'1998 5,734,367'Liquid crystal apparatus'1998 5,719,651'Liquid crystal display device in which one subpixel has a dimension smaller than the minimum separation distance between domains'1998 5,717,421'Liquid crystal display apparatus'1998 5,689,320'Liquid crystal display apparatus having a film layer including polyaniline'1997 5,675,354'Liquid crystal apparatus'1997 5,673,062'Liquid crystal apparatus'1997 5,657,038'Liquid crystal display apparatus having substantially the same average amount of transmitted light after white reset as after black reset'1997 5,657,037'Display apparatus'1997 5,654,732'Display apparatus'1997 5,646,755'Method and apparatus for ferroelectric liquid crystal display having gradational display'1997 5,638,195'Liquid crystal display device for improved halftone display'1997 5,627,559'Electrooptical display apparatus and driver'1997 5,598,229'Method and apparatus for liquid crystal display to achieve smooth transitions between the jumping of scanning lines'1997 5,592,191'Display apparatus'1997 5,592,190'Liquid crystal display apparatus and drive method'1997 5,583,534'Method and apparatus for driving liquid crystal display having memory effect'1996 5,552,911'Color liquid crystal display device having varying cell thickness and varying pixel areas'1996 5,532,713'Driving method for liquid crystal device'1996 5,521,727'Method and apparatus for driving liquid crystal device whereby a single period of data signal is divided into plural pulses of varying pulse width and polarity'1996 5,519,411'Liquid crystal display apparatus'1996 5,471,229'Driving method for liquid crystal device'1995 5,469,281'Driving method for liquid crystal device which is not affected by a threshold characteristic change'1995 5,438,442'Matrix electrode structure having defining independently controllable groups of subsidiary pixels'1995 5,420,603'Display apparatus'1995 5,321,419'Display apparatus having both refresh-scan and partial-scan'1994 5,317,437'Display apparatus with pixels having subpixel regions'1994 5,283,564'Liquid crystal apparatus with temperature-dependent pulse manipulation'1994 5,276,542'Ferroelectric liquid crystal apparatus having temperature compensation control circuit'1994 5,267,065'Liquid crystal apparatus'1993 5,172,105'Display apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2009Patents assigned to CANON KK (59)· patent assignee history

1992–2004Based in Atsugi, JP· patent location history

2006–2009Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	59	1992–2009

Locations

Location	Patents	Span
Atsugi, JP	56	1992–2004
Kanagawa, JP	3	2006–2009