YASUHIRO KOIKE

Patent Applications and Registrations

Patent applications and USPTO patent grants for YASUHIRO KOIKE.The latest application filed is for "graded-refractive-index optical plastic material and method for its production".

Company Profile

0.13.1

YASUHIRO KOIKE - Kanagawa JP
Yasuhiro Koike - Yokohama-shi JP
Yasuhiro Koike - Yokohama 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
Optical material and molded product thereof Grant 9,128,238 - Sunaga , et al. September 8, 2	2015-09-08
Optical collimator and optical connector using same Grant 8,967,880 - Koike , et al. March 3, 2	2015-03-03
Guide plate, surface light source device of side light type and liquid crystal display Grant 6,568,819 - Yamazaki , et al. May 27, 2	2003-05-27
Guide plate, surface light source device of side light type and liquid crystal display Grant 6,568,820 - Ohkawa , et al. May 27, 2	2003-05-27
Graded-refractive-index optical plastic material and method for its production App 20030069360 - Koike, Yasuhiro ; et al.	2003-04-10
Surface light source device of side light type Grant 6,406,158 - Ohkawa June 18, 2	2002-06-18
Surface light source device and liquid crystal display Grant 6,309,080 - Sasako , et al. October 30, 2	2001-10-30
Graded-refractive-index optical plastic material of a fluoropolymer containing a material in a concentration gradient therein Grant 6,271,312 - Koike , et al. August 7, 2	2001-08-07
Tandem lighting panel Grant 6,241,358 - Higuchi , et al. June 5, 2	2001-06-05
Surface light source device of side-light type Grant 6,049,649 - Arai April 11, 2	2000-04-11
Surface light source device of side light type and mold for light guide plate employed in the device Grant 6,027,221 - Ishikawa , et al. February 22, 2	2000-02-22
Surface light source device of side light type Grant 5,997,148 - Ohkawa December 7, 1	1999-12-07
Graded-refractive-index optical plastic material and method for its production Grant 5,916,971 - Koike , et al. June 29, 1	1999-06-29
Graded-refractive-index optical plastic material and method for its production Grant 5,783,636 - Koike , et al. July 21, 1	1998-07-21

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