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:
Aug. 26, 2025
Filed:
Jan. 26, 2021
Applicant:
Kelk Ltd., Kanagawa, JP;
Inventors:
Tomonori Murata, Kanagawa, JP;
Isao Shibata, Kanagawa, JP;
Assignee:
KELK Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 10/17 (2023.01); H01M 10/613 (2014.01); H10N 10/01 (2023.01);
U.S. Cl.
CPC ...
H10N 10/17 (2023.02); H10N 10/01 (2023.02); H01M 10/613 (2015.04);
Abstract
A residual charge removal device includes: a power storage unit; a first switching unit that is connected to a target to which electric power is supplied from a power supply device, and operates to remove a residual charge of the target by electric power supplied from the power storage unit; and a second switching unit that operates to supply electric power from the power storage unit to the first switching unit when electric power supply to the target is stopped.