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:
Mar. 31, 2026
Filed:
Nov. 16, 2022
Fuji Electric Co., Ltd., Kawasaki, JP;
Toshiyuki Matsui, Matsumoto-city, JP;
Kazuki Kamimura, Matsumoto-city, JP;
FUJI ELECTRIC CO., LTD., Kanagawa, JP;
Abstract
Provided is a semiconductor device including a semiconductor substrate having a transistor portion and a diode portion; and an emitter electrode and a gate electrode provided above a front surface of the semiconductor substrate, wherein the transistor portion has a plurality of trench portions electrically connected to the gate electrode, a drift region of a first conductivity type provided in the semiconductor substrate, a base region of a second conductivity type provided above the drift region, and a trench bottom barrier region of a second conductivity type provided between the drift region and the base region and having a higher doping concentration than that of the base region, and the trench bottom barrier region is electrically connected to the emitter electrode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile