Inventor
AKAHORI SHIGEKI
JP6 patents
Patents
6 patentsUS6472591B2Oct 29, 2002
Portable communication terminal apparatus with music composition capability
YAMAHA CORP49 citations92
US6486388B2Nov 26, 2002
Apparatus and method for creating fingering guidance in playing musical instrument from performance data
YAMAHA CORP28 citations90
US7328272B2Feb 5, 2008
Apparatus and method for adding music content to visual content delivered via communication network
YAMAHA CORP8 citations71
US6884933B2Apr 26, 2005
Electronic musical apparatus with authorized modification of protected contents
YAMAHA CORP10 citations71
US6784355B2Aug 31, 2004
Electronic musical apparatus customizing method
YAMAHA CORP11 citations65
US7628334B2Dec 8, 2009
Content data usage apparatus
YAMAHA CORP5 citations61