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.

Date of Patent:
Jun. 30, 2026

Filed:

Mar. 02, 2023
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Ryuta Matsuo, Nagakute, JP;

Takashi Motoyoshi, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/03 (2006.01); B23K 26/70 (2014.01);
U.S. Cl.
CPC ...
B23K 26/032 (2013.01); B23K 26/70 (2015.10);
Abstract

A laser processing device includes: an oscillator that oscillates laser light; a mirror in which second laser light that is another part of laser light is reflected while first laser light that is a part of laser light is transmitted through the mirror to irradiate a processing target portion with second laser light, and first reflected light that is a part of reflected light in which second laser light is reflected by the processing target portion is transmitted through the mirror; an absorption unit that receives and absorbs the first laser light until an amount of the first laser light becomes equal to or less than a predetermined light amount; a sensor unit that measures intensity of the first reflected light; and a quality evaluation unit that outputs an evaluation result representing the quality of the laser processing at the processing target portion based on a measurement result.


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