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. 23, 2025
Filed:
Aug. 24, 2021
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Akihiro Tanaka, Himeji Hyogo, JP;
Tetsuhiro Saisho, Himeji Hyogo, JP;
Toru Shono, Himeji Hyogo, JP;
Koji Onishi, Ibo Hyogo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Toshiba Electronic Devices & Storage Corporation, Kawasaki, JP;
Abstract
A semiconductor part includes a terminal, a first region, and a second region positioned between the first region and the terminal. A ratio of a surface area of a fourth semiconductor layer to a surface area of a third semiconductor layer in the second region is greater than a ratio of a surface area of the fourth semiconductor layer to a surface area of the third semiconductor layer in the first region.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile