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:
Nov. 05, 2013
Filed:
Sep. 29, 2010
Applicants:
Tomoaki Negishi, Tokyo, JP;
Yasuhiro Fujiwara, Tokyo, JP;
Inventors:
Tomoaki Negishi, Tokyo, JP;
Yasuhiro Fujiwara, Tokyo, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/14 (2006.01); C03C 3/15 (2006.01); C03C 3/068 (2006.01); C03C 3/066 (2006.01);
U.S. Cl.
CPC ...
Abstract
[Problems to be Solved] To provide a high-refractivity low-dispersion optical glass that enables the stable production of high-quality optical elements. [Means to Solve the Problems] An optical glass comprising, as essential components,