GENEVA, Oct. 5 -- TJM DESIGN CORPORATION (3-4-3, Azusawa, Itabashi-ku, Tokyo1748503), 株式会社TJMデザイン (東京都板橋区小豆沢3丁目4番3号), MIROKU CORP. (Daiba 449, Mishima-shi, Shizuoka4110803), 株式会社ミロク (静岡県三島市大場449番地) filed a patent application (PCT/JP2025/011920) for "POWDER LEAKAGE SUPPRESSION MECHANISM FOR LINE DRAWING TOOL, CAP FOR LINE DRAWING TOOL, AND LINE DRAWING TOOL" on Mar 25, 2025. With publication no. WO/2025/205881, the det...