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:
Feb. 04, 2025
Filed:
Feb. 26, 2021
Kabushiki Kaisha Toshiba, Tokyo, JP;
Takahiro Yamamoto, Tokyo, JP;
Kaoru Koiwa, Tokyo, JP;
Hisaaki Hatano, Yokohama Kanagawa, JP;
Kenichi Fujiwara, Kawasaki Kanagawa, JP;
Kohei Maruchi, Tokyo, JP;
Koji Takazawa, Tokyo, JP;
Yoshiyuki Isozaki, Tokyo, JP;
Shun Egusa, Yokohama Kanagawa, JP;
Tomokazu Morita, Funabashi Chiba, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
There is provided a rechargeable battery evaluation device including: a charging controller configured to switch charging current of a rechargeable battery being charged with first current to second current; and a first state estimator configured to estimate a state of the rechargeable battery based on a feature of change in at least one of a voltage and a charging amount of the rechargeable battery due to switching from the charging current to the second current.