GENEVA, July 7 -- LIGHTSTANDARD CO., LTD. (Room 215, 217, Building 20, Northwest District, Suzhou Nano City, No. 99, Jinji Lake Avenue, Industrial ParkSuzhou, Jiangsu 215000), 光本位科技（苏州）有限公司 (中国江苏省苏州市工业园区金鸡湖大道99号苏州纳米城西北区20栋215、217室) filed a patent application (PCT/CN2024/126989) for "OPTICAL WAVEGUIDE AND PREPARATION METHOD THEREFOR" on Oct 24, 2024. With publication no. WO/2025/139285, the details related to the patent application was published on Jul ...