Ohsumi; Kazumasa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ohsumi; Kazumasa.The latest application filed is for "surface light source device of side light type and liquid crystal display".

Company Profile

0.7.4

Ohsumi; Kazumasa - Saitama JP
Ohsumi; Kazumasa - Hatogaya JP
Ohsumi, Kazumasa - Hatogaya-shi JP
Ohsumi; Kazumasa - Kawaguchi 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 panel, liquid crystal display device and composite optical element Grant 7,133,091 - Ohsumi November 7, 2	2006-11-07
Surface light source device of side light type and liquid crystal display Grant 6,930,735 - Ohkawa , et al. August 16, 2	2005-08-16
Surface light source device of side light type and liquid crystal display App 20050088583 - Ohkawa, Shingo ; et al.	2005-04-28
Guide plate, surface light source device of side light type and liquid crystal display Grant 6,816,214 - Ohsumi November 9, 2	2004-11-09
Surface light source device of side light type and liquid crystal display Grant 6,791,635 - Ohkawa , et al. September 14, 2	2004-09-14
Light guide plate, surface light source device and display Grant 6,663,254 - Ohsumi December 16, 2	2003-12-16
Surface light source device, display and light guide plate Grant 6,612,710 - Suzuki , et al. September 2, 2	2003-09-02
Liquid Crystal Display Panel, Liquid Crystal Display Device And Composite Optical Element App 20030156233 - OHSUMI, KAZUMASA	2003-08-21
Surface light source device, display and light guide plate App 20030007342 - Suzuki, Kazuo ; et al.	2003-01-09
Light guide plate, surface ligjht source device and display App 20020021563 - Ohsumi, Kazumasa	2002-02-21
Light regulator and surface light source device Grant 6,104,854 - Masaki , et al. August 15, 2	2000-08-15

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