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Inventor

Nobuyuki Koganezawa

Inventor
Chiba, JP

Overview

25→
Patents
1992–2014
Patent span
Physics
Primary field (CPC G)

Patents· 25 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein45%
G02BOptical elements, systems or apparatus30%
G09GArrangements or circuits for control of indicating devices using static means to present variable information9%
H01JElectric discharge tubes or discharge lamps9%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%
B65FGathering or removal of domestic or like refuse3%
PatentTitleYear
8,848,135'Liquid crystal display device'20148,786,798'Liquid crystal display device'20148,643,803'Liquid crystal display device'20148,462,289'Display device'20138,208,094'Liquid crystal display device'20128,111,347'Liquid crystal display device'20127,999,887'Liquid crystal display device'20117,920,223'Display device'20117,903,196'Display device'20117,903,197'Liquid crystal display device with backlight having efficient heat radiating properties'20117,847,912'LCD device with plural fluorescent tube backlight for a rectangular curved display surface of a radius of from two to four times as large as the length of the short-side of the rectangular display region'20107,826,006'Display device'20107,796,213'Liquid crystal display device'20107,719,632'Liquid crystal display device'20107,690,830'Flat lighting device and liquid crystal display device'20107,614,777'Liquid crystal display device'20097,554,625'Display device and backlight device having plural solid-state emitting element units each emitting at least three colors and contained within a cylindrical air-filled light guide body also surrounded by air'20097,527,413'Liquid crystal display device'20097,446,760'Display device and driving method for a display device'20087,443,369'Liquid crystal display device and an optimum gradation voltage setting apparatus thereof'20087,188,988'Liquid crystal display device, display device and backlight device'20077,027,018'Display device and driving method thereof'20066,621,204'Color cathode ray tube having a deflection unit'20036,492,783'Deflection yoke and cathode ray tube device'20025,138,221'Inorganically insulated heater, and cathode ray tube and air flow sensor using the same'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2008Patents assigned to HITACHI LTD (4)· patent assignee history
1992–2009Based in Mobara, JP· patent location history
2002–2014Based in Chiba, JP· patent location history
2007–2011Patents assigned to HITACHI DISPLAY DEVICES LTD (8)· patent assignee history
2008–2013Patents assigned to HITACHI DISPLAYS LTD (17)· patent assignee history
2009–2010Patents assigned to HITACHI DISPLAYS DEVICES LTD (3)· patent assignee history
2012–2014Patents assigned to KOGANEZAWA NOBUYUKI (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI DISPLAYS LTD172008–2013
HITACHI DISPLAY DEVICES LTD82007–2011
KOGANEZAWA NOBUYUKIself62012–2014
HITACHI LTD41992–2008
HITACHI DISPLAYS DEVICES LTD32009–2010
Locations
LocationPatentsSpan
Chiba, JP232002–2014
Mobara, JP21992–2009