The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2007
Filed:
Jul. 03, 2003
Applicants:
Ikuo Shimizu, Yokkaichi, JP;
Motoharu Kinugasa, Yokkaichi, JP;
Hiroshi Toyoda, Yokkaichi, JP;
Masanori Ikuta, Yokkaichi, JP;
Kyoko Katagi, Inashiki-gun, JP;
Inventors:
Ikuo Shimizu, Yokkaichi, JP;
Motoharu Kinugasa, Yokkaichi, JP;
Hiroshi Toyoda, Yokkaichi, JP;
Masanori Ikuta, Yokkaichi, JP;
Kyoko Katagi, Inashiki-gun, JP;
Assignee:
Kyowa Hakko Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); C07D 209/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter of an electronic display device provides a clear image, the filter comprising an squarylium compound represent by formula (II):