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:
Dec. 10, 2019
Filed:
Jan. 22, 2015
Kabushiki Kaisha Toyota Jidoshokki, Kariya-shi, Aichi, JP;
Hidaka Yamada, Kariya, JP;
Yohei Hamaguchi, Kariya, JP;
Kyoichi Kinoshita, Kariya, JP;
Yusuke Yamaguchi, Kariya, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya-shi, Aichi, JP;
Abstract
A power storage device manufacturing method that seals a case housing an electrode assembly of a power storage device and injects an electrolyte into the case after sealing, the method includes a step accompanied by a pressure operation of increasing or reducing a pressure inside the case after sealing the case, and a process performed in a state of turning the inside of the case to the pressure higher or lower than an atmospheric pressure, and an internal space capacity of the case is measured based on a change with time of the pressure inside the case caused by the pressure operation inside the case.