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:
Apr. 17, 2012
Filed:
Jan. 03, 2008
Applicants:
Tomohito Fukui, Minowa-machi, JP;
Keiichi Suzuki, Okaya, JP;
Inventors:
Tomohito Fukui, Minowa-machi, JP;
Keiichi Suzuki, Okaya, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical article includes: an optical base; and a layer that is provided on the optical base and contains SiOas a main component, the layer being a silicon-nitride-containing silicon oxide layer containing SiONu (s>0, T≧0, u>0).