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:
Dec. 09, 2014
Filed:
Jan. 23, 2013
Applicant:
Tokai Optical Co., Ltd., Okazaki-Shi, JP;
Inventors:
Assignee:
Tokai Optical Co., Ltd., Okazaki-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/10 (2006.01); G02B 5/28 (2006.01); G02B 1/11 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 1/115 (2013.01); G02B 5/285 (2013.01); G02B 1/11 (2013.01); G02B 1/041 (2013.01);
Abstract
An optical product includes an optical multilayer film on an optical product base. A color of reflected light of the optical multilayer film satisfies both of the following conditions in a chromaticity diagram (x,y,Y) of a CIE color system: [1] 0.27≦x≦0.30 and [2] 0.30≦y≦0.36. The optical product base is a spectacle plastic lens base.