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:
May. 26, 2026
Filed:
Aug. 01, 2022
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Keiji Narumi, Saitama, JP;
Mitsuoki Hishida, Osaka, JP;
Abstract
A laser processing apparatus includes first and second laser oscillators that emit first and second laser lights (LB), (LB) having wavelengths different from each other, an optical fiber that guides first and second laser lights (LB), (LB), and laser head () configured to condense first and second laser lights (LB), (LB), respectively, at predetermined positions of a workpiece. Laser head () includes optical path difference generation unit () provided inside second housing (). Optical path difference generation unit () is configured to make an optical path length of first laser light (LB) inside second housing () longer than an optical path length of second laser light (LB).