Ohkawa; Atsuhiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ohkawa; Atsuhiro.The latest application filed is for "liquid crystalline compound, liquid crystalline composition and retardation film".

Company Profile

0.17.13

Ohkawa; Atsuhiro - Ashigara-kami-gun JP
Ohkawa; Atsuhiro - Tokyo JP
Ohkawa; Atsuhiro - Kanagawa JP
Ohkawa, Atsuhiro - Minami-Ashigara-shi JP
Ohkawa, Atsuhiro - Minamai-Ashigara-shi JP
Ohkawa; Atsuhiro - Minami-ashigara 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 compound comprising two condensed and substituted rings Grant 7,534,475 - Nishikawa , et al. May 19, 2	2009-05-19
Liquid crystalline compound, liquid crystalline composition and retardation film Grant 7,534,371 - Nishikawa , et al. May 19, 2	2009-05-19
Liquid crystalline compound, liquid crystalline composition and retardation film App 20080169448 - Nishikawa; Hideyuki ; et al.	2008-07-17
Liquid crystalline compound, liquid crystalline composition and retardation film Grant 7,364,670 - Nishikawa , et al. April 29, 2	2008-04-29
Optically anisotropic element comprising discotic compound Grant 7,314,654 - Uehira , et al. January 1, 2	2008-01-01
Optically anisotropic element comprising discotic compound Grant 7,273,641 - Matsuumi , et al. September 25, 2	2007-09-25
Liquid crystal compound comprising two condensed and substituted rings App 20070176145 - Nishikawa; Hideyuki ; et al.	2007-08-02
Liquid crystal composition, polymerization product, retardation plate and ellipsoidally polarizing plate Grant 7,250,116 - Nishikawa , et al. July 31, 2	2007-07-31
Retardation film and compound Grant 7,175,889 - Ohkawa , et al. February 13, 2	2007-02-13
Liquid crystalline compound, liquid crystalline composition and retardation film Grant 7,169,325 - Nishikawa , et al. January 30, 2	2007-01-30
Compound, retardation plate and method for forming optically anisotropic layer Grant 7,153,548 - Nishikawa , et al. December 26, 2	2006-12-26
Optical film comprising support and polarizing layer Grant 7,128,953 - Ohkawa , et al. October 31, 2	2006-10-31
Optically anisotropic element comprising discotic compound App 20050181144 - Matsuumi, Michitaka ; et al.	2005-08-18
Optically anisotropic element comprsing discotic compound App 20050163941 - Uehira, Shigeki ; et al.	2005-07-28
Liquid crystalline compound, liquid crystalline composition and retardation film App 20050056811 - Nishikawa, Hideyuki ; et al.	2005-03-17
Liquid crystalline compound, liquid crystalline composition and retardation film App 20050012071 - Nishikawa, Hideyuki ; et al.	2005-01-20
Retardation film and elliptically polarizing film App 20040219305 - Nishikawa, Hideyuki ; et al.	2004-11-04
Retardation film and compound App 20040185186 - Ohkawa, Atsuhiro ; et al.	2004-09-23
Liquid crystal composition, polymerization product, ratardation plate and ellipsoidally polarizing plate App 20040178387 - Nishikawa, Hideyuki ; et al.	2004-09-16
Compound, retardation plate and method for forming optically anisotropic layer App 20040142116 - Nishikawa, Hideyuki ; et al.	2004-07-22
Image-forming material and novel sulfonic acid ester derivative Grant 6,562,542 - Ohkawa , et al. May 13, 2	2003-05-13
Optical film comprising support and polarizing layer App 20030011725 - Ohkawa, Atsuhiro ; et al.	2003-01-16
Image-forming material and novel sulfonic acid ester derivative App 20020037480 - Ohkawa, Atsuhiro ; et al.	2002-03-28
Image recording medium, image recording method and heat coloring polymer compound Grant 6,329,120 - Obayashi , et al. December 11, 2	2001-12-11
Image recording medium, image recording method and heat coloring polymer compound App 20010016297 - Obayashi, Tatsuhiko ; et al.	2001-08-23
Heat-sensitive recording material Grant 6,197,725 - Ohkawa , et al. March 6, 2	2001-03-06
Leuco dye and image recording medium containing the same Grant 6,143,480 - Obayashi , et al. November 7, 2	2000-11-07
Heat developable light-sensitive material and method of forming color images Grant 6,051,359 - Ohkawa , et al. April 18, 2	2000-04-18
Silver halide color photographic light-sensitive material containing chemically sensitized grains and pug compound Grant 5,514,529 - Mihayashi , et al. May 7, 1	1996-05-07
4'-alkoxy-2,2':6',2"-terpyridine derivatives and metal complexes thereof Grant 5,104,988 - Ohkawa April 14, 1	1992-04-14

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