Inventor
ISHIZAKI KOICHI
JP3 patents
Patents
3 patentsUS7332670B2Feb 19, 2008
Automatic player exactly bringing pedal to half point, musical instrument equipped therewith and method used therein
YAMAHA CORP52 citations89
US7238873B2Jul 3, 2007
Automatic player musical instrument exactly reproducing performance and automatic player used therein
YAMAHA CORP8 citations71
US10334365B2Jun 25, 2019
Acoustic processing device
YAMAHA CORP0 citations48