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. 10, 2026
Filed:
Jun. 04, 2019
Hoya Corporation, Tokyo, JP;
HOYA CORPORATION, Tokyo, JP;
Abstract
Provided is an optical filter, including an absorbing glass substrate composed of phosphate-based glass or fluorophosphate-based glass; a bonding layer with a single layer structure; and a resin layer, wherein the resin layer is provided on the absorbing glass substrate through the bonding layer, wherein the bonding layer includes a Si atom and one or more selected from a Ti atom, a Zr atom, and an Al atom; or an optical filter, including an absorbing glass substrate composed of phosphate-based glass or fluorophosphate-based glass; and a resin layer, wherein the resin layer includes a Si atom and one or more selected from a Ti atom, a Zr atom, and an Al atom, and is provided on the absorbing glass substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile