Kawai; Ryozo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kawai; Ryozo.The latest application filed is for "laminated body for optical purposes that includes a melanin-containing layer and an optical product which includes the laminate".

Company Profile

0.6.5

Kawai; Ryozo - Tokorozawa JP
Kawai; Ryozo - Tokorozawa-city JP
Kawai; Ryozo - Saitama JP
Kawai; Ryozo - Ibaraki JP
Kawai; Ryozo - Tokyo JP
Kawai; Ryozo - Nagareyama 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
Laminated body for optical purposes that includes a melanin-containing layer and an optical product which includes the laminate Grant 7,872,795 - Kawai , et al. January 18, 2	2011-01-18
Laminated body for optical purposes that includes a melanin-containing layer and an optical product which includes the laminate App 20090323179 - Kawai; Ryozo ; et al.	2009-12-31
Process For Producing Melanin, Melanin Produced By The Process, Functional Film Containing The Melanin, And Process For Producing The Same App 20090317616 - Kawai; Ryozo ; et al.	2009-12-24
Non-glaring Laminated Body, A Coated Non-glaring Laminated Body, A Non-glaring Material, And A Method For Producing The Non-glaring Material App 20080094704 - KIMURA; Hideaki ; et al.	2008-04-24
Light control plastic lens, coated sheet-like light control element for the lens production, and a production method for light control plastic lens Grant 7,350,917 - Kawai , et al. April 1, 2	2008-04-01
Polycarbonate resin composition and polarizing sheet used the same Grant 7,198,830 - Fujimori , et al. April 3, 2	2007-04-03
Light control plastic lens, coated sheet-like light control element for the lens production, and a production method for light control plastic lens App 20050168690 - Kawai, Ryozo ; et al.	2005-08-04
Polycarbonate resin composition and polarizing sheet used the same App 20040245511 - Fujimori, Takayasu ; et al.	2004-12-09
Biodegradable water-soluble polymer Grant 5,811,032 - Kawai , et al. September 22, 1	1998-09-22
Anti-dazzling polycarbonate polarizing plate Grant 5,051,309 - Kawaki , et al. September 24, 1	1991-09-24
Process for producing a polarizing film Grant 4,992,218 - Sugio , et al. February 12, 1	1991-02-12

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