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:
Oct. 27, 2026
Filed:
Oct. 06, 2021
Applicant:
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Inventors:
Yuichiro Kubo, Tokyo, JP;
Katsuhide Shimmo, Kanagawa, JP;
Assignee:
NIPPON SHEET GLASS COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
G02B 5/223 (2013.01);
Abstract
An optical filterincludes a frameand a light-absorbing film. The framehas a through hole. The light-absorbing filmis disposed to close the through holeand includes a light-absorbing compound. An average Young's modulus of the light-absorbing filmmeasured by continuous stiffness measurement is 2.5 GPa or less.
Quick Actions:
Kubo, Yuichiro. (2026). Optical filter, imaging apparatus, and optical filter manufacturing method (U.S. Patent No. 12775130). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12775130
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile