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:
May. 26, 2015
Filed:
Feb. 26, 2014
Applicants:
The University of Tokyo, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Michio Endo, Utsunomiya, JP;
Shingo Eguchi, Utsunomiya, JP;
Hiroyuki Inoue, Tokyo, JP;
Atsunobu Masuno, Tokyo, JP;
Assignees:
Canon Kabushiki Kaisha, Tokyo, JP;
The University of Tokyo, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/15 (2006.01); C03C 3/155 (2006.01); C03C 3/068 (2006.01); C03B 19/00 (2006.01); C03C 3/253 (2006.01); C03B 40/04 (2006.01); C03B 19/10 (2006.01);
U.S. Cl.
CPC ...
C03C 3/253 (2013.01); C03B 19/00 (2013.01); C03C 3/068 (2013.01); C03C 3/15 (2013.01); C03C 3/155 (2013.01); C03B 40/04 (2013.01); C03B 19/1035 (2013.01); C03B 19/1055 (2013.01); C03B 2215/48 (2013.01);
Abstract
An optical glass including B, Laand Nbas cationic components constituting the glass, wherein the optical glass satisfies the following expressions represented in cation percentages: