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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.:

US 12539778 B1

PDFFull Text
Date of Patent:
Feb. 03, 2026

Filed:

Sep. 10, 2020

Wireless power transfer system, power transmission device, and power reception device

Applicants:

The University of Tokyo, Tokyo, JP;

Bridgestone Corporation, Tokyo, JP;

Nsk Ltd., Tokyo, JP;

Inventors:

Hiroshi Fujimoto, Tokyo, JP;

Osamu Shimizu, Tokyo, JP;

Keizo Akutagawa, Tokyo, JP;

Yasumichi Wakao, Tokyo, JP;

Isao Kuwayama, Tokyo, JP;

Daisuke Gunji, Fujisawa, JP;

Assignees:

THE UNIVERSITY OF TOKYO, Tokyo, JP;

BRIDGESTONE CORPORATION, Tokyo, JP;

NSK Ltd., Tokyo, JP;

Attorney:

KENJA IP LAW PC

Primary Examiner:

Cheng Lin

Int. Cl.
CPC ...
B60L 53/126 (2019.01); B60L 5/00 (2006.01); B60L 9/00 (2019.01); B60L 53/12 (2019.01); H02J 50/10 (2016.01);
U.S. Cl.
CPC ...
B60L 53/126 (2019.02); B60L 5/005 (2013.01); B60L 9/00 (2013.01); B60L 53/12 (2019.02); H02J 50/10 (2016.02);
Abstract

A wireless power transfer systemincludes a power transmission deviceand a power reception device. The power transmission deviceis a power transmission deviceinstalled in a road, is provided with a power transmission coilthat transmits power wirelessly, and is configured such that when installed in the road, the normal line of a coil plane of the power transmission coilis inclined with respect to the normal line of the road surface of the roadin a lateral cross section of the road. The power reception deviceis provided with a power reception coilthat receives power wirelessly, and at least a portion of the power reception coilis housed in the wheelof the moving body

Find Patent Forward Citations

Fujimoto, Hiroshi. (2026). Wireless power transfer system, power transmission device, and power reception device (U.S. Patent No. 12539778). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12539778

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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