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:
Mar. 14, 2017
Filed:
Mar. 10, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Daisuke Sano, Moka, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/00 (2006.01); G02B 1/14 (2015.01); G02B 5/00 (2006.01); G02B 3/00 (2006.01); G02B 13/06 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/14 (2015.01); G02B 5/003 (2013.01); G02B 3/00 (2013.01); G02B 13/06 (2013.01); G02B 27/0018 (2013.01);
Abstract
Provided is an optical element, including optical glass as a base material and having an optical surface and a non-optical surface. In the optical element, the optical glass has a Knoop hardness of 600 N/mmor more, and the non-optical surface has a coating film layer formed thereon, the coating film layer containing a pigment as a color material and having a refractive index of 1.65 or more.
Sano, Daisuke. (2017). Optical element, optical system, and method of manufacturing optical element (U.S. Patent No. 9594192). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9594192
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile