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:
Jul. 24, 2001
Filed:
May. 17, 1999
Kazunori Haraguchi, Osaka, JP;
Hiroshi Yoshizawa, Hirakata, JP;
Takuya Nakashima, Neyagawa, JP;
Takashi Takeuchi, Kadoma, JP;
Kikuo Senoo, Kobe, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
Method of manufacturing a prismatic battery wherein a sealing plate (,) is abutted to an upper open end of a prismatic case (,) in which power generating elements are housed, and laser beams (,) are moved along an abutment line (,) parallel to the straight line of each side (a, b, c, d), by which each side (a-d) of the abutment line (,) including each of the corners (e) is laser welded, thereby hermetically sealing the prismatic case (,).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile