KOSAKA; Masahisa

Patent Applications and Registrations

Patent applications and USPTO patent grants for KOSAKA; Masahisa.The latest application filed is for "process of producing plastic lens and plastic lens".

Company Profile

0.14.11

KOSAKA; Masahisa - Tokyo JP
Kosaka; Masahisa - Akiruno JP
Kosaka; Masahisa - Hinodemachi JP
Kosaka; Masahisa - Nishitama JP
Kosaka; Masahisa - Itsukaichi 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
Process Of Producing Plastic Lens And Plastic Lens App 20100093970 - KOSAKA; Masahisa ; et al.	2010-04-15
Plastic lens and process for preparing the lens Grant 7,261,845 - Itoh , et al. August 28, 2	2007-08-28
Plastic lens and process for preparing the lens App 20070141355 - Kosaka; Masahisa ; et al.	2007-06-21
Process for producing plastic lens and plastic lens Grant 7,101,953 - Kosaka September 5, 2	2006-09-05
Plastic lenses for spectacles Grant 7,091,301 - Kosaka August 15, 2	2006-08-15
Optical materials having good ultraviolet absorbability and method for producing them Grant 7,009,025 - Kosaka March 7, 2	2006-03-07
Process for producing plastic lens and plastic lens Grant 7,001,974 - Kosaka February 21, 2	2006-02-21
Plastic lens and process for preparing the lens App 20050068492 - Itoh, Shinsuke ; et al.	2005-03-31
Process of producing plastic lens and plastic lens App 20050062932 - Kosaka, Masahisa ; et al.	2005-03-24
Plastic lens and process for preparing the lens App 20050046967 - Kosaka, Masahisa ; et al.	2005-03-03
Plastic lenses for spectacles App 20040220370 - Kosaka, Masahisa	2004-11-04
Optical materials having good ultraviolet absorbability and method for producing them App 20040141230 - Kosaka, Masahisa	2004-07-22
Plastic lenses for spectacles Grant 6,743,886 - Kosaka June 1, 2	2004-06-01
Optical materials having good ultraviolet absorbability and method for producing them Grant 6,673,888 - Kosaka January 6, 2	2004-01-06
Process for producing plastic lens and plastic lens App 20030225202 - Kosaka, Masahisa	2003-12-04
Process for producing plastic lens and plastic lens App 20030194487 - Kosaka, Masahisa	2003-10-16
Optical materials having good ultraviolet absorbability and method for producing them App 20020132954 - Kosaka, Masahisa	2002-09-19
Optical materials having good ultraviolet absorbability and method for producing them Grant 6,441,119 - Kosaka August 27, 2	2002-08-27
Plastic lenses for spectacles App 20010030734 - Kosaka, Masahisa	2001-10-18
Process for the production of polyurethane lens Grant 6,274,694 - Kosaka , et al. August 14, 2	2001-08-14
Process of producing polythiol oligomer Grant 5,961,889 - Jiang , et al. October 5, 1	1999-10-05
Process for the production of polyurethane lens Grant 5,744,568 - Kosaka , et al. April 28, 1	1998-04-28
Polymer for optical products and process for preparation thereof Grant 5,294,666 - Okada , et al. March 15, 1	1994-03-15
Anti-reflection optical element Grant 5,181,141 - Sato , et al. January 19, 1	1993-01-19
Process for producing polyurethane lens Grant 4,975,328 - Hirose , et al. December 4, 1	1990-12-04

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