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:
Feb. 01, 2022
Filed:
Feb. 22, 2019
Applicants:
The University of Tokyo, Tokyo, JP;
Nikon Corporation, Tokyo, JP;
Inventors:
Hiroyuki Inoue, Tokyo, JP;
Atsunobu Masuno, Tokyo, JP;
Kohei Yoshimoto, Kawasaki, JP;
Motoi Ueda, Naka, JP;
Hiroshi Yamamoto, Yamato, JP;
Tatsunori Kawashima, Sagamihara, JP;
Assignees:
THE UNIVERSITY OF TOKYO, Tokyo, JP;
NIKON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/12 (2006.01); C03C 3/253 (2006.01); C03C 3/155 (2006.01); C03C 3/062 (2006.01); G02B 1/00 (2006.01); C03C 3/068 (2006.01); C03C 3/15 (2006.01);
U.S. Cl.
CPC ...
C03C 3/12 (2013.01); C03C 3/062 (2013.01); C03C 3/068 (2013.01); C03C 3/15 (2013.01); C03C 3/155 (2013.01); C03C 3/253 (2013.01); G02B 1/00 (2013.01);
Abstract
Provided is optical glass containing, in terms of mol % of cations: 10 to 60% of a Lacomponent; more than 0% and up to 75% of a Gacomponent; and 5 to 75% of a Nbcomponent, in which a total amount of the Lacomponent, Gacomponent, and Nbcomponent is 60 to 100%.