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. 11, 2025
Filed:
Nov. 10, 2021
Applicant:
Nikon Corporation, Tokyo, JP;
Inventors:
Kohei Yoshimoto, Kawasaki, JP;
Motoi Ueda, Naka, JP;
Hiroshi Yamamoto, Yamato, JP;
Tatsunori Kawashima, Sagamihara, JP;
Assignee:
NIKON CORPORATION, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/068 (2006.01); C03C 3/155 (2006.01);
U.S. Cl.
CPC ...
C03C 3/068 (2013.01); C03C 3/155 (2013.01); C03C 2201/10 (2013.01); C03C 2201/3411 (2013.01); C03C 2201/3417 (2013.01); C03C 2201/3452 (2013.01); C03C 2201/36 (2013.01);
Abstract
An optical glass includes, in terms of mol % of cations, a total amount of La, Y, and Gdcomponents falling within a range of from 5% to 65% and a total amount of Zr, Hf, and Tacomponents falling within a range of from 5% to 65%, and a relationship expressed in Expression (1) given below is satisfied. (La+Y+Gd)×(Zr+Hf+Ta)≥400(%).
Quick Actions:
Yoshimoto, Kohei. (2025). Optical glass, optical element composed of optical glass, optical system interchangeable lens, and optical device (U.S. Patent No. 12466759). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12466759
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile