Inventor
MANTANI ROKUROTA
10 patents
⚠️ This page may combine multiple inventors who share the name “MANTANI ROKUROTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
6 patentsUS7002068B2Feb 21, 2006
Method for making electronic tones close to acoustic tones, recording system for the acoustic tones, tone generating system for the electronic tones
YAMAHA CORP12 citations84
US7572969B2Aug 11, 2009
Method for making electronic tones close to acoustic tones, recording system for the acoustic tones, tone generating system for the electronic tones
YAMAHA CORP7 citations73
US5345181ASep 6, 1994
Circuit for a detecting state of conduction of current through a solenoid
YAMAHA CORP13 citations73
US5568138AOct 22, 1996
Servo-controlling system incorporated in keyboard instrument for processing parallel input signals in time sharing fashion
YAMAHA CORP10 citations72
US5291011AMar 1, 1994
Photosensor controller for musical instrument having a driving means for driving a subsequent pair of luminescing means and detecting means in sequence
YAMAHA CORP14 citations72
US7563973B2Jul 21, 2009
Method for making electronic tones close to acoustic tones, recording system for the acoustic tones, tone generating system for the electronic tones
YAMAHA CORP4 citations62
NIPPON MUSICAL INSTRUMENTS MFG
4 patentsUS4939969AJul 10, 1990
Acoustic keyboard musical instrument
NIPPON MUSICAL INSTRUMENTS MFG15 citations64
US4189971AFeb 26, 1980
Electronic musical instrument system having independent tone cabinet
NIPPON MUSICAL INSTRUMENTS MFG6 citations61
US4002095AJan 11, 1977
Waveform converter for use with an electronic musical instrument and capable of controlling the duty factor of a rectangular wave tone signal
NIPPON MUSICAL INSTRUMENTS MFG4 citations61
US4233874ANov 18, 1980
Frequency conversion system of tone signal produced by electrically picking up mechanical vibration of musical instrument
NIPPON MUSICAL INSTRUMENTS MFG1 citations50