GENEVA, Sept. 17 -- TANAKA PRECIOUS METAL TECHNOLOGIES CO., LTD. (2-6-6 Nihonbashi Kayabacho, Chuo-ku, Tokyo1030025), 田中貴金属工業株式会社 (東京都中央区日本橋茅場町二丁目６番６号), TABATA Yasuhiko (3-8-16, Biwadai, Uji-shi, Kyoto6110024), 田畑　泰彦 (京都府宇治市琵琶台３－８－１６) filed a patent application (PCT/JP2025/008472) for "CULTURE SUBSTRATE, METHOD FOR GROWING AND CULTURING STEM CELLS, AND METHOD FOR PRODUCING CELL SHEET" on Mar 07, 2...