ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,447, issued on March 25, was assigned to ASAHI INTECC Co. LTD. (Seto, Japan).
"Light irradiation device and light irradiation system" was invented by Yuko Katsurada (Seto, Japan) and Toshihiko Tsukamoto (Seto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medical light irradiation device is provided with an elongated main body portion, a light irradiation portion, and a marker portion. The light irradiation portion is provided on one portion of a side surface on a distal end side of a main body portion, and irradiates light towards outside. The marker portion is provided on a distal end side of the main body portion, is radiopaque, and has...