Inventor

SADAKATA TOSHIHISA

JP3 patents

Patents

3 patents

US7294776B2Nov 13, 2007

Content supply method and apparatus

YAMAHA CORP28 citations90

US7371956B2May 13, 2008

Musical content utilizing apparatus

YAMAHA CORP6 citations71

US7589270B2Sep 15, 2009

Musical content utilizing apparatus

YAMAHA CORP2 citations60