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.

Date of Patent:
Sep. 01, 2026

Filed:

Oct. 12, 2023
Applicant:

Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;

Inventor:

Yuji Ikegaya, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 20/12 (2006.01); B63H 20/00 (2006.01);
U.S. Cl.
CPC ...
B63H 20/12 (2013.01); B63H 20/007 (2013.01); B63H 2020/003 (2013.01);
Abstract

A watercraft propulsion system includes an engine propulsion device attachable to a hull and including a propeller rotatable about a first propeller axis, an electric propulsion device attachable to the hull and including a propeller rotatable about a second propeller axis different from the first propeller axis, and a controller configured or programmed to control the engine propulsion device and the electric propulsion device. The controller is configured or programmed to perform a propulsive force matching control to match a propulsive force increasing characteristic of the electric propulsion device with a propulsive force increasing characteristic of the engine propulsion device when a command is inputted to simultaneously generate propulsive forces from the engine propulsion device and the electric propulsion device.


Find Patent Forward Citations

Ikegaya, Yuji. (2026). Watercraft propulsion system, and watercraft (U.S. Patent No. 12722762). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12722762

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

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