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. 27, 2026
Filed:
Dec. 05, 2023
Honda Motor Co., Ltd., Tokyo, JP;
Jun Kitagawa, Saitama, JP;
Shimpei Takahara, Saitama, JP;
Koji Fukuoka, Saitama, JP;
Mitsutaka Igaue, Tokyo, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
The purpose is to smooth a surface of a molten portion, to suppress formation of a sharp edge and an undercut at an end of the molten portion and in the vicinity of the end. A laser welding method includes emitting a laser beam onto a surface of a stack of a plurality of workpieces, and moving the laser beam in a predetermined traveling direction, thereby welding the plurality of workpieces to each other. The laser beam includes a main beam, a sub beam, a rear beam, and an end beam. The main beam is emitted onto a main region. The sub beam is emitted onto a sub region surrounding the main region. The rear beam is emitted onto a rear region located rearward of the main region. The end beam is emitted onto an end region located rearward of the rear region and outside of the sub region.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile