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:
Mar. 30, 2010
Filed:
Jun. 30, 2004
Hideyuki Kumakiri, Chigasaki, JP;
Shintaro Shimizu, Fujisawa, JP;
Akira Yoneyama, Chigasaki, JP;
Yoshihiro Bouki, Fujisawa, JP;
Takuma Iida, Toyohashi, JP;
Hideyuki Kumakiri, Chigasaki, JP;
Shintaro Shimizu, Fujisawa, JP;
Akira Yoneyama, Chigasaki, JP;
Yoshihiro Bouki, Fujisawa, JP;
Takuma Iida, Toyohashi, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A prismatic battery having advantages of both a rectangular battery and a cylindrical battery and having excellent properties is provided. Furthermore, a method of manufacturing the prismatic battery, suppressing the occurrence of defects in manufacturing the prismatic batteries and having an excellent productivity is provided. A prismatic battery including: an electrode plate group, an electrolyte and a battery case for accommodating the electrode plate group and the electrolyte; wherein the side face of the battery case includes a cylindrical head portion; a prismatic body potion for accommodating the electrode plate group and the electrolyte; and a transition portion located between the body portion and the head portion.