US Patent Issued to Teijin Pharma on Sept. 16 for "Phototherapy device and method of operation of phototherapy device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,089, issued on Sept. 16, was assigned to Teijin Pharma Ltd. (Tokyo).

"Phototherapy device and method of operation of phototherapy device" was invented by Takuya Nanjo (Tokyo), Yuki Kawase (Tokyo), Toshihiro Sato (Onomichi, Japan) and Kazunori Takahashi (Onomichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phototherapy device 1 includes a laser light source 8 for emitting laser light at a target portion T, a limit switch 10 for detecting an approach of the laser light source 8 to a target portion T up to a predetermined distance and outputting a proximity signal, and an optical sensors 7 for detecting a distance to the target portion T a...