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:
Apr. 28, 2026
Filed:
Jun. 07, 2023
Honda Motor Co., Ltd., Tokyo, JP;
Yuji Ono, Wako, JP;
Tomoya Otani, Wako, JP;
Keiji Tada, Wako, JP;
Kaoru Tomioka, Wako, JP;
Tsutomu Yoshino, Wako, JP;
Kimiaki Nakamura, Wako, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
A rotor constituting a rotating electric machine includes a rotating shaft and a permanent magnet. A sleeve covering the outer surface of the permanent magnet is attached to the rotating shaft. The sleeve is made of a carbon fiber reinforced polymer. A resin film is joined to an outer circumferential wall of the sleeve via a joining material. A plurality of ridges are formed on the outer circumferential wall of the resin film. A riblet recessed relatively to the plurality of ridges is formed between the plurality of ridges.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile