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. 13, 2026
Filed:
Apr. 03, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Denso Corporation, Kariya, JP;
Kazutaka Kimura, Toyota, JP;
Toshiya Hashimoto, Miyoshi, JP;
Makoto Hashimoto, Seto, JP;
Masaki Kanesaki, Aichi, JP;
Nobuhisa Yamaguchi, Aichi, JP;
Keisuke Tani, Aichi, JP;
Kazuyoshi Obayashi, Aichi, JP;
Yuichi Takemura, Aichi, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A contactless power feeding system that contactlessly supplies power from a power supply segment on a traveling path to a vehicle, includes: a power transmission characteristic acquisition unit, provided on the power supply segment, measures a power transmission characteristic of the power supply segment; a power reception characteristic acquisition unit, provided on the vehicle and measures a power reception characteristic of the vehicle; and an abnormality detection means that matches a measurement period of the power transmission characteristic of the power supply segment with a measurement period of the power reception characteristic of the vehicle, calculates efficiency of the power supply segment using the power transmission characteristic of the power supply segment and the power reception characteristic of the vehicle, the measurement periods of which are matched, and determines abnormality of the power supply segment on a basis of the calculated efficiency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile