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:
Jun. 16, 2026
Filed:
Feb. 26, 2024
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Taichi Fukuda, Yokohama, JP;
Yusuke Kobayashi, Yokohama, JP;
Shotaro Baba, Kawasaki, JP;
Hiro Gangi, Tokyo, JP;
Hiroki Nemoto, Nonoichi, JP;
Tomoaki Inokuchi, Yokohama, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION, Tokyo, JP;
Abstract
An insulating member includes a fixed charge. The insulating member includes a first insulating part. The first insulating part includes a first region, a second region, and a third region. The first region is positioned between a gate electrode and the second region in a first direction. The second region is positioned between the first region and the third region in the first direction. The third region is positioned between the second region and a second surface in the first direction. A density of the fixed charge is greater in the first region than in the second region.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile