GENEVA, April 28 -- KAI R&D CENTER CO., LTD. (1110, Oyana, Seki-shi, Gifu5013992), 株式会社貝印刃物開発センター (岐阜県関市小屋名１１１０番地) filed a patent application (PCT/JP2023/037681) for "NAIL FILE" on Oct 18, 2023. With publication no. WO/2025/083808, the details related to the patent application was published on Apr 24, 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): HYUGA Kohei (c/o KAI R&D CENTER CO., LTD., 1110, Oy...