Assignee
ROLAND KK
US13 patents
Top patents by PatentIndex Score
US6271458B1Aug 7, 2001
Electronic percussion instrumental system and percussion detecting apparatus therein
ROLAND KK51 citations96
US6175074B1Jan 16, 2001
Musical apparatus detecting maximum values and/or peak values of reflected light beams to control musical functions
ROLAND KK22 citations93
US5990409ANov 23, 1999
Musical apparatus detecting maximum values and/or peak values of reflected light beams to control musical functions
ROLAND KK27 citations93
US5877781AMar 2, 1999
Memory control device for video editor
ROLAND KK100 citations93
US5763803AJun 9, 1998
Effect adding system capable of simulating tones of stringed instruments
ROLAND KK25 citations92
US4633750AJan 6, 1987
Key-touch value control device of electronic key-type musical instrument
ROLAND KK33 citations91
US6153822ANov 28, 2000
Musical apparatus using multiple light beams to control musical tone signals
ROLAND KK30 citations90
US5998727ADec 7, 1999
Musical apparatus using multiple light beams to control musical tone signals
ROLAND KK26 citations90
US5852438ADec 22, 1998
Video editor
ROLAND KK40 citations88
US4694724ASep 22, 1987
Synchronizing signal generator for musical instrument
ROLAND KK27 citations86
US5811707ASep 22, 1998
Effect adding system
ROLAND KK26 citations85
US5973253AOct 26, 1999
Electronic musical instrument for conducting an arpeggio performance of a stringed instrument
ROLAND KK17 citations84
US5751771AMay 12, 1998
Waveform data compression apparatus and waveform data expansion apparatus
ROLAND KK18 citations82