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:
Sep. 21, 2021
Filed:
Aug. 04, 2020
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventor:
Tomokazu Katsuyama, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/017 (2006.01); G02F 1/225 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/01708 (2013.01); G02F 1/2257 (2013.01); G02F 1/212 (2021.01); G02F 2201/063 (2013.01);
Abstract
A method for manufacturing a semiconductor optical device includes the steps of forming a first semiconductor layer on a substrate; forming a mask on the first semiconductor layer; forming a first mesa from the first semiconductor layer using the mask; forming an embedding layer on a portion of the first semiconductor layer that is exposed from the mask such that the first mesa is embedded in the embedding layer; and forming a second mesa from the first mesa.
Katsuyama, Tomokazu. (2021). Semiconductor optical device and method for manufacturing the same (U.S. Patent No. 11126021). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11126021
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile