GENEVA, Sept. 30 -- NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Kita 8-jyo Nishi 5-chome, Kita-ku, Sapporo-shi, Hokkaido0600808), 国立大学法人北海道大学 (北海道札幌市北区北8条西5丁目), NGK INSULATORS, LTD. (2-56 Suda-cho, Mizuho-ku, Nagoya-shi, Aichi4678530), 日本碍子株式会社 (愛知県名古屋市瑞穂区須田町2番56号) filed a patent application (PCT/JP2025/009770) for "WAVELENGTH CONTROL EMITTER" on Mar 14, 2025. With publicati...