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. 01, 2026
Filed:
May. 15, 2024
Sumitomo Electric Industries, Ltd., Osaka, JP;
Hajime Tanaka, Osaka, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
An optical modulator includes a first Mach-Zehnder modulation portion including a first waveguide and a second waveguide, a second Mach-Zehnder modulation portion including a third waveguide and a fourth waveguide, a third Mach-Zehnder modulation portion optically coupled to the first Mach-Zehnder modulation portion and the second Mach-Zehnder modulation portion. The third Mach-Zehnder modulation portion includes a fifth waveguide including an input end optically coupled to an output end of the first waveguide, a sixth waveguide including an input end optically coupled to an output end of the second waveguide, a seventh waveguide including an input end optically coupled to an output end of the third waveguide, an eighth waveguide including an input end optically coupled to an output end of the fourth waveguide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile