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:
May. 26, 2026
Filed:
Jul. 20, 2023
Fuji Electric Co., Ltd., Kanagawa, JP;
Yoshihiro Ikura, Matsumoto-city, JP;
FUJI ELECTRIC CO., LTD., Kanagawa, JP;
Abstract
Provided is a semiconductor device including a plurality of mesa portions which are arranged one by one between two of trench portions adjacent to each other in a second direction in a semiconductor substrate. The plurality of mesa portions includes a floating mesa portion which is insulated from an emitter electrode, and an emitter-connected mesa portion which is arranged adjacent to the floating mesa portion in the second direction and is connected to the emitter electrode. At least one of the floating mesa portion or the emitter-connected mesa portion is provided in a portion provided at a position not overlapping the well region in a top view to connect two of the trench portions sandwiching the mesa portion, and has a separation portion which separates the well region from at least a part of the mesa portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile