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. 20, 2026
Filed:
Sep. 18, 2024
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Takumi Fujimaki, Kyoto, JP;
Yifei Tang, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/08 (2006.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
H02M 1/08 (2013.01); H02M 3/33569 (2013.01);
Abstract
A driving device is configured to drive a switching element. The driving device includes a pull-down circuit connected to the control terminal of the switching element. The pull-down circuit is configured to keep a first pull-down current, which flows through the pull-down circuit before the driving device starts up, higher than a second pull-down current, which flows through the pull-down circuit after the driving device starts up.
Fujimaki, Takumi. (2026). Driving device, switching power supply device, and electrical appliance (U.S. Patent No. 12771231). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12771231
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile