US Patent Issued to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT on Nov. 4 for "Laser welding device and laser welding method" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,054, issued on Nov. 4, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Laser welding device and laser welding method" was invented by Toru Sakai (Hyogo, Japan) and Michio Sakurai (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser welding device includes: an irradiator configured to overlap laser light and measurement light coaxially with each other and apply the laser light and the measurement light to a weld part, a wavelength of the measurement light being different from a wavelength of the laser light; a measuring instrument configured to repeatedly measure a weld penetration depth of the weld...