GENEVA, May 5 -- SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION (1 Gwanak-ro,Gwanak-gu,Seoul 08826), 서울대학교 산학협력단 (서울특별시관악구관악로 1), DEEPSONBIO CO., LTD. (6F, 172 Dolma-ro,Bundang-gu, Seongnam-si,Gyeonggi-do 13605), 주식회사 딥슨바이오 (경기도성남시 분당구돌마로 172, 6층) filed a patent application (PCT/KR2025/015024) for "METHOD FOR CONFIRMING DRUG PERMEABILITY AND CANCER CELL APOPTOSIS OF CHOLANGIOCARCINOMA BY IRRADIATION OF LOW INTENSITY PULSED ULTRASOUND (LIPUS) UNDER TU...