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:
Jul. 14, 2026
Filed:
Sep. 15, 2020
Sanyo Electric Co., Ltd., Osaka, JP;
Junya Yano, Hyogo, JP;
Masato Nakayama, Hyogo, JP;
Tomonori Kunimitsu, Hyogo, JP;
Taisuke Hamada, Hyogo, JP;
SANYO Electric Co., Ltd., Osaka, JP;
Abstract
A power supply device includes battery stack in which a plurality of battery cells are stacked, and a plurality of battery modules including cell monitor circuits that detect battery information of battery cells, and cell monitor circuits of the battery modules are cascade-connected via communication lines. Battery module includes a pair of communication terminals that are arranged at both ends and are connected to cell monitor circuit, and inner wires that connect the pair of communication terminals positioned at both the ends. Communication line is connected to communication terminal, and cell monitor circuits of the plurality of battery modules are cascade-connected.