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:
Jun. 02, 2026
Filed:
Apr. 24, 2023
Fujitsu Optical Components Limited, Kawasaki, JP;
Nobuaki Hatori, Tsukuba, JP;
FUJITSU OPTICAL COMPONENTS LIMITED, Kawasaki, JP;
Abstract
An optical semiconductor device includes a first optical device formed on a silicon substrate having a first surface, and a second optical device including a compound semiconductor, mounted on the first optical device, and having a second surface facing the first surface. The first optical device includes a first protrusion that protrudes toward the second surface, and a portion of the second surface makes contact with the first protrusion. In a plan view, the first protrusion is located on an inner side of an outer edge of the second optical device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile