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:
Jan. 30, 2024
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Yuji Kurotsuchi, Kyoto, JP;
Takashi Esumi, Kyoto, JP;
Tomokazu Okada, Kyoto, JP;
Hiromitsu Kimura, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/317 (2006.01);
U.S. Cl.
CPC ...
G01R 31/31727 (2013.01);
Abstract
For example, a semiconductor device includes a first region configured to be always kept in a power-on state regardless of whether in a first operation mode or a second operation mode, a second region configured to be in a power-on state in the first operation mode and in a power-off state in the second operation mode, a first test circuit configured to be implemented in the first region, and a second test circuit configured to be implemented in the second region.