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. 06, 2026
Filed:
Jun. 22, 2021
Applicant:
Tokyo Institute of Technology, Tokyo, JP;
Inventors:
Fumio Koyama, Tokyo, JP;
Hameeda Ibrahim, Tokyo, JP;
Xiaodong Gu, Tokyo, JP;
Ahmed Hassan, Tokyo, JP;
Assignee:
INSTITUTE OF SCIENCE TOKYO, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/183 (2006.01);
U.S. Cl.
CPC ...
H01S 5/18394 (2013.01); H01S 5/18308 (2013.01);
Abstract
A surface emitting laser has a Vertical-Cavity Surface emitting laser (VCSEL) structure. The VCSEL structure includes an aperture provided by a current confinement structure. An optically discontinuous portion is formed in a top Distributed Bragg Reflector (DBR) of the VCSEL structure such that it is arranged in a region with a gap between it and the aperture.
Koyama, Fumio. (2026). Surface emitting laser (U.S. Patent No. 12756160). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12756160
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile