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:
Apr. 14, 2026
Filed:
Jun. 25, 2021
Sony Group Corporation, Tokyo, JP;
Hideki Watanabe, Kumamoto, JP;
Yuichiro Kikuchi, Kumamoto, JP;
Shinichi Agatuma, Kumamoto, JP;
Makoto Oota, Kumamoto, JP;
Takashi Mizuno, Kumamoto, JP;
Hiroyuki Miyahara, Kumamoto, JP;
Eiji Nakayama, Kumamoto, JP;
SONY GROUP CORPORATION, Tokyo, JP;
Abstract
A semiconductor laser according to one embodiment of the present disclosure includes: a first semiconductor layer of a first conductivity type; an active layer; and a second semiconductor layer of a second conductivity type stacked on the first semiconductor layer with the active layer interposed therebetween, and provided with a strip-shaped ridge. The semiconductor laser further includes: a pair of resonator end faces facing each other across the ridge; and an electrode layer electrically coupled to an upper surface of the ridge.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile