ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,318, issued on Dec. 23, was assigned to KIMMON KOHA Co. LTD. (Tokyo).
"Ultraviolet laser apparatus" was invented by Yasushi Fujimoto (Chiba, Japan), Paul Binun (Tokyo), Shinji Motokoshi (Osaka, Japan), Masamori Nakahara (Tokyo) and Takeshi Hamada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultraviolet laser apparatus includes: a semiconductor laser that emits an excitation laser light; a fiber laser medium to which the excitation laser light enters from the semiconductor laser and that causes laser oscillation; and an external resonator that: converts a wavelength of a laser light oscillated in the fiber laser medium, and outputs an ult...