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:
Jul. 16, 2024
Filed:
Apr. 20, 2020
Applicant:
Agc Inc., Tokyo, JP;
Inventors:
Shinichi Amma, Tokyo, JP;
Tatsuo Nagashima, Tokyo, JP;
Assignee:
AGC INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/097 (2006.01); A61F 9/02 (2006.01); G02B 1/00 (2006.01); G02B 27/01 (2006.01); G02C 7/02 (2006.01); C03C 4/00 (2006.01);
U.S. Cl.
CPC ...
C03C 3/097 (2013.01); A61F 9/02 (2013.01); G02B 1/00 (2013.01); G02B 27/0172 (2013.01); G02C 7/02 (2013.01); G02C 7/022 (2013.01); C03C 4/00 (2013.01); G02B 2027/0178 (2013.01);
Abstract
An optical glass has a refractive index (n) of 1.55 or more. A difference (Tf−Tg) between a fictive temperature (Tf) and a glass transition temperature (Tg) of the optical glass is 0° C. or more. The optical glass may have a crack initiation load L of 350 mN or more.
Amma, Shinichi. (2024). Optical glass, optical member, and wearable device (U.S. Patent No. 12037284). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12037284
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile