Tanikawa; Sadayasu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tanikawa; Sadayasu.The latest application filed is for "ophthalmic solution".

Company Profile

0.5.7

Tanikawa; Sadayasu - Kasugai JP
Tanikawa; Sadayasu - Kasugai-Shi JP
Tanikawa, Sadayasu - Aichi-ken 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
Photochromic contact lens having excellent discoloring characteristic Grant 7,261,844 - Tanikawa , et al. August 28, 2	2007-08-28
Ophthalmic solution App 20060052340 - Tsuzuki; Akira ; et al.	2006-03-09
Ophthalmic composition App 20060035842 - Tsuzuki; Akira ; et al.	2006-02-16
Photochromic contact lens having excellent discoloring characteristic App 20050243273 - Tanikawa, Sadayasu ; et al.	2005-11-03
Process for preparing ocular lens with urethane compound and process for preparing urethane compound for medical instruments Grant 6,770,728 - Watanabe , et al. August 3, 2	2004-08-03
Process for preparing urethane compound for medical instruments Grant 6,770,727 - Watanabe , et al. August 3, 2	2004-08-03
Process for preparing ocular lens with urethane compound and process for preparing urethane compound for medical instruments App 20030125500 - Watanabe, Tsuyoshi ; et al.	2003-07-03
Process for preparing urethane compound for medical instruments App 20030088047 - Watanabe, Tsuyoshi ; et al.	2003-05-08
Ophthalmic composition Grant 6,544,953 - Tsuzuki , et al. April 8, 2	2003-04-08
Ophthalmic composition App 20030022943 - Tsuzuki, Akira ; et al.	2003-01-30
Solution for contact lenses App 20020016270 - Tsuzuki, Akira ; et al.	2002-02-07
Contact lens cleaning material formed of a polymer Grant 5,919,742 - Tsuzuki , et al. July 6, 1	1999-07-06

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