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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 12394810 B1

PDFFull Text
Date of Patent:
Aug. 19, 2025

Filed:

Jun. 01, 2022

Fuel cell ship

Applicant:

Yanmar Holdings Co., Ltd., Osaka, JP;

Inventors:

Yasuyoshi Yamaguchi, Osaka, JP;

Takehiro Maruyama, Osaka, JP;

Takuya Hiraiwa, Osaka, JP;

Manabu Shinagawa, Osaka, JP;

Yukihiko Kimura, Kunisaki, JP;

Assignee:

YANMAR HOLDINGS CO., LTD., Osaka, JP;

Attorney:

NORTON ROSE FULBRIGHT US LLP

Primary Examiner:

Daniel V Venne

Int. Cl.
CPC ...
H01M 8/04858 (2016.01); B60L 58/13 (2019.01); B63H 21/00 (2006.01); B63H 21/17 (2006.01); H01M 8/04664 (2016.01); H01M 8/04746 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04947 (2013.01); B60L 58/13 (2019.02); B63H 21/17 (2013.01); H01M 8/04679 (2013.01); H01M 8/04753 (2013.01); H01M 8/04865 (2013.01); B60L 2240/54 (2013.01); B63H 2021/003 (2013.01); H01M 2250/20 (2013.01);
Abstract

A fuel cell ship includes a propulsion device that generates propulsive force on a hull by electric power, an electric power supply unit that supplies the electric power to the propulsion device, and a degradation rate control unit that adjusts a degradation rate. The electric power supply unit includes a plurality of fuel cells that generate electric power by an electrochemical reaction of fuel and at least one storage battery.

Find Patent Forward Citations

Yamaguchi, Yasuyoshi. (2025). Fuel cell ship (U.S. Patent No. 12394810). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12394810

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

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