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:
Mar. 15, 2024
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Keita Fukui, Fujinomiya, JP;
Yuusaku Nishimura, Toyota, JP;
Hideki Miyahara, Miyoshi, JP;
Yoshiyuki Hatano, Susono, JP;
Takayuki Yamada, Seto, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A leak diagnosis apparatus for performing leak diagnosis of a fuel tank mounted on a vehicle, includes a calculation unit configured to calculate an amount of change in a pressure in the fuel tank and an amount of change in a temperature of a fuel in the fuel tank while an ignition is turned off, and a determination unit configured to determine whether a leak in the fuel tank is absent or present.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile