Hitachi Display Devices, Ltd.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hitachi Display Devices, Ltd..The latest application filed is for "cold cathode discharge tube and manufacturing method thereof and liquid crystal display device".

Company Profile

0.31.1

Hitachi Display Devices, Ltd. - Chiba JP
Hitachi Display Devices, Ltd. - Chiba-ken JP
Hitachi Display Devices, Ltd - Chiba-Ken JP
Hitachi Display Devices, Ltd. - Hitachi Displays, Ltd.
Hitachi Display Devices, Ltd. - Mobara-shi JP
Hitachi Display Devices, Ltd. - JP JP
Hitachi Display Devices, Ltd. - Mobara JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Liquid crystal display device having a light guide plate being formed in a trapezoidal shape in cross section Grant 8,400,584 - Mifune March 19, 2	2013-03-19
Liquid crystal display device Grant 7,940,354 - Okishiro , et al. May 10, 2	2011-05-10
Display device Grant 7,920,223 - Nishizawa , et al. April 5, 2	2011-04-05
Liquid crystal display Grant 7,916,116 - Baba , et al. March 29, 2	2011-03-29
Liquid crystal display device Grant 7,903,202 - Nishikawa , et al. March 8, 2	2011-03-08
Liquid crystal display device with backlight having efficient heat radiating properties Grant 7,903,197 - Koganezawa March 8, 2	2011-03-08
Display device with first and second elastic spacers extending in parallel on opposite surfaces of a display panel and having different hardness at corresponding locations Grant 7,889,287 - Tsubokura , et al. February 15, 2	2011-02-15
Liquid crystal display device Grant 7,855,761 - Watanabe , et al. December 21, 2	2010-12-21
Liquid crystal display device Grant 7,855,765 - Takahashi , et al. December 21, 2	2010-12-21
Fluorescent lamp with external electrode, backlight, and display device Grant 7,852,005 - Misono , et al. December 14, 2	2010-12-14
Planar illumination device and liquid crystal display device using the planar illumination device as a backlight Grant 7,837,375 - Watanabe , et al. November 23, 2	2010-11-23
Liquid crystal display device Grant 7,817,223 - Watanabe , et al. October 19, 2	2010-10-19
Liquid crystal display device Grant 7,808,576 - Takahashi , et al. October 5, 2	2010-10-05
Cold cathode fluorescent lamp and liquid crystal display device Grant 7,800,712 - Suzuki , et al. September 21, 2	2010-09-21
Liquid crystal display device Grant 7,746,419 - Azuma , et al. June 29, 2	2010-06-29
Cold Cathode Discharge Tube And Manufacturing Method Thereof And Liquid Crystal Display Device App 20100157203 - HIRAI; Kazumasa	2010-06-24
Liquid crystal display device Grant 7,719,632 - Koganezawa , et al. May 18, 2	2010-05-18
Liquid crystal display device Grant 7,717,605 - Shibata May 18, 2	2010-05-18
Cold-cathode fluorescent lamp for LCD having cup-shaped electrodes inside mantle tube with a non-sputtered transparent conductive film of a predetermined thickness formed on inside surface of mantle tube near each open end of the cup-shaped electrodes Grant 7,701,531 - Goto April 20, 2	2010-04-20
Flat lighting device and liquid crystal display device Grant 7,690,830 - Koganezawa , et al. April 6, 2	2010-04-06
Display device Grant 7,626,654 - Tsubokura , et al. December 1, 2	2009-12-01
Liquid crystal display device Grant 7,614,777 - Koganezawa , et al. November 10, 2	2009-11-10
Liquid crystal display device and backlight Grant 7,570,321 - Takahashi , et al. August 4, 2	2009-08-04
Liquid crystal display device Grant 7,564,516 - Azuma , et al. July 21, 2	2009-07-21
Display device Grant 7,525,627 - Azuma , et al. April 28, 2	2009-04-28
Liquid crystal display device and an optimum gradation voltage setting apparatus thereof Grant 7,443,369 - Takahashi , et al. October 28, 2	2008-10-28
Display device with elastic spacers having varying widths and hardness Grant 7,379,128 - Tsubokura , et al. May 27, 2	2008-05-27
Manufacturing method and manufacturing apparatus of display device Grant 7,367,374 - Amimoto , et al. May 6, 2	2008-05-06
Liquid crystal display device, display device and backlight device Grant 7,188,988 - Koganezawa March 13, 2	2007-03-13
Liquid crystal display device Grant 7,079,200 - Saito , et al. July 18, 2	2006-07-18
Cold cathode ray fluorescent tube and liquid crystal display device using the cold cathode fluorescent tube Grant 7,045,945 - Asai , et al. May 16, 2	2006-05-16
Semiconductor device and manufacturing method of the same Grant 6,924,544 - Wada , et al. August 2, 2	2005-08-02

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