GENEVA, July 3 -- KOKEN LTD. (7, Yonban-cho, Chiyoda-ku, Tokyo1028459), 興研株式会社 (東京都千代田区四番町7番地) filed a patent application (PCT/JP2024/043232) for "MASK" on Dec 06, 2024. With publication no. WO/2025/134813, the details related to the patent application was published on Jun 26, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): SATO Akihiro (c/o KOKEN LTD., 7, Yonban-cho, Chiyoda-ku, Tokyo1028459), 佐藤 章博 (東京都&...