GENEVA, March 9 -- KATO, Yoshihiko (394-5, Oba-cho, Aoba-ku, Yokohama-shi, Kanagawa2250023), 加藤 善彦 (神奈川県横浜市青葉区大場町３９４番地５) filed a patent application (PCT/JP2024/027246) for "SPEAKER DEVICE" on Jul 30, 2024. With publication no. WO/2025/047256, the details related to the patent application was published on Mar 06, 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): KATO, Kunio (394-5, Oba-cho, Aoba-ku, Yokohama-shi, Kanagawa2250023)...