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:
Jun. 01, 2010
Filed:
Aug. 16, 2005
Akihiko Kanouda, Hitachinaka, JP;
Mutsumi Kikuchi, Hitachi, JP;
Hideaki Koyama, Higashimurayama, JP;
Eisaku Fujita, Chofu, JP;
Yasuaki Norimatsu, Hitachinaka, JP;
Akihiko Kanouda, Hitachinaka, JP;
Mutsumi Kikuchi, Hitachi, JP;
Hideaki Koyama, Higashimurayama, JP;
Eisaku Fujita, Chofu, JP;
Yasuaki Norimatsu, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In equipment with a built-in fuel cell, there are provided a plurality of secondary cells, and each of the secondary cells has a first state in which an electric power is supplied to a load within the equipment, and a second state in which the electric power that is supplied from the fuel cell is charged, and the first state and the second state is selectively used. The present invention can provide the fuel cell-carried equipment that stably operates due to a power system on which a fuel cell and plural secondary cells are mounted.