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.

Date of Patent:
Nov. 10, 2026

Filed:

Oct. 19, 2022
Applicant:

Ngk Insulators, Ltd., Nagoya-City, JP;

Inventors:

Jungo Kondo, Miyoshi-City, JP;

Keiichiro Asai, Nagoya-City, JP;

Tomoyoshi Tai, Inazawa-City, JP;

Assignee:

NGK INSULATORS, LTD., Nagoya-City, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01); G02B 6/122 (2006.01);
U.S. Cl.
CPC ...
G02B 6/122 (2013.01); G02B 2006/12083 (2013.01);
Abstract

A composite substrate () for a photonic crystal element includes: an electro-optical crystal substrate () having an electro-optical effect; an optical loss-suppressing and cavity-processing layer () arranged on one surface of the electro-optical crystal substrate (); and a support substrate () integrated with the electro-optical crystal substrate () through the optical loss-suppressing and cavity-processing layer ().


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Kondo, Jungo. (2026). Composite substrate for photonic crystal element, and photonic crystal element (U.S. Patent No. 12791785). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12791785

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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