Inventor
TSUNASHIMA NOBUO
JP4 patents
Patents
4 patentsUS7087829B2Aug 8, 2006
Method, system and recording medium for viewing/listening evaluation of musical performance
YAMAHA CORP25 citations90
US7574364B2Aug 11, 2009
Contents rating method
YAMAHA CORP19 citations82
US7567910B2Jul 28, 2009
Method of validating entrance to event site
YAMAHA CORP15 citations82
US6583348B2Jun 24, 2003
Server for use in rating of music contents
YAMAHA CORP16 citations82