Inventor
EKUNI Shingo
JP4 patents
Patents
4 patentsUS10304435B2May 28, 2019
Musical instrument and acoustic transducer device
YAMAHA CORP1 citations58
US10540949B2Jan 21, 2020
Musical instrument capable of producing additional vibration sound and method therefor
YAMAHA CORP1 citations50
US12367855B2Jul 22, 2025
Stringed musical instrument and acoustic effect device
YAMAHA CORP0 citations40
US10755693B2Aug 25, 2020
Acoustic apparatus and vibration transmission method
YAMAHA CORP0 citations33