GENEVA, Oct. 27 -- IGARASHI Hiroyuki (9-11, Nishigaoka 1-chome, Kita-ku, Tokyo1150056), 五十嵐 啓晋 (東京都北区西が丘１丁目９番１１号) filed a patent application (PCT/JP2025/011057) for "FINGER STRENGTH EXERCISE DEVICE" on Mar 21, 2025. With publication no. WO/2025/220417, the details related to the patent application was published on Oct 23, 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): IGARASHI Hiroyuki (9-11, Nishigaoka 1-chome, Kita-ku, Tokyo1150056), ...