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. 13, 2026
Filed:
Feb. 28, 2024
Kioxia Corporation, Tokyo, JP;
Syunsuke Sasaki, Kamakura, JP;
Shouichi Ozaki, Tokyo, JP;
Kenichi Sugawara, Yokohama, JP;
Hiroaki Nakasa, Yokohama, JP;
Takeshi Miyaba, Yokohama, JP;
Maya Ohsaka, Yokohama, JP;
Shoki Ito, Yokohama, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor device includes a first pad to which a high voltage is to be input, a second pad to which a low voltage is to be input, a third pad to which a ground voltage is to be input, and a protection circuit provided between the first pad and the third pad. The protection circuit includes a first protection element group including a plurality of first transistors arranged in a first direction, a second protection element group including a plurality of second transistors arranged in the first direction and disposed apart from the first protection element group in a second direction orthogonal to the first direction, a guard ring provided around the first and second protection element groups, and an intermediate guard ring provided between the first protection element group and the second protection element group and connected to the third pad via a resistance element.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile