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. 20, 2026
Filed:
Feb. 13, 2023
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
Yasuyo Yotsuda, Yokohama, JP;
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
Abstract
A capacitor includes a substrate, a first electrode provided on the substrate, a dielectric film provided on the first electrode, a second electrode provided on the dielectric film and having an outer periphery positioned inside the outer periphery of the first electrode in a plan view viewed from above in a direction normal to an upper surface of the substrate, a third electrode that is in contact with the second electrode in a region inside the second electrode in the plan view, is separated upward from the first electrode and the dielectric film outside the region in the plan view, and has an outer periphery positioned inside the outer periphery of the first electrode and an outer periphery of the dielectric film in the plan view, and a protective film covering the second electrode and the third electrode and being in contact with the second electrode and the third electrode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile