GENEVA, Oct. 19 -- KIM, In Heon (107ho, 81-2, Siheung-daero 141-gil,Geumcheon-gu,Seoul 08531), 김인헌 (서울특별시금천구시흥대로141길 81-2, 107호) filed a patent application (PCT/KR2025/004561) for "IMPROVED TONE CONTROL DEVICE FOR DIGITAL PIANO" on Apr 04, 2025. With publication no. WO/2025/216493, the details related to the patent application was published on Oct 16, 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): KIM, In Heon (107ho, 81-2, Siheung-daero 141-gil,Geumcheon-gu,Seoul 08531), &...