Inventor
OKAMURA KAZUHISA
JP25 patents
⚠️ This page may combine multiple inventors who share the name “OKAMURA KAZUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
24 patentsUS6751228B1Jun 15, 2004
Packet handler of audio data by isochronous mode
YAMAHA CORP85 citations98
US6940855B2Sep 6, 2005
Packet handler of audio data by isochronous mode
YAMAHA CORP19 citations92
US5652797AJul 29, 1997
Sound effect imparting apparatus
YAMAHA CORP30 citations92
US5347478ASep 13, 1994
Method of and device for compressing and reproducing waveform data
YAMAHA CORP47 citations92
US4813326AMar 21, 1989
Method and apparatus for synthesizing music tones with high harmonic content
YAMAHA CORP25 citations92
US6351475B1Feb 26, 2002
Mixing apparatus with compatible multiplexing of internal and external voice signals
YAMAHA CORP14 citations84
US5613147AMar 18, 1997
Signal processor having a delay ram for generating sound effects
YAMAHA CORP18 citations84
US5489746AFeb 6, 1996
Data storage and generation device having improved storage efficiency
YAMAHA CORP19 citations84
US6934287B2Aug 23, 2005
Packet handler of audio data by isochronous mode
YAMAHA CORP7 citations74
US6085309AJul 4, 2000
Signal processing apparatus
YAMAHA CORP8 citations74
US4899632AFeb 13, 1990
Multi-recording apparatus of an electronic musical instrument
YAMAHA CORP13 citations74
US6359206B2Mar 19, 2002
Tone signal processing apparatus with intermittent clock supply
YAMAHA CORP5 citations73
US5252773AOct 12, 1993
Tone signal generating device for interpolating and filtering stored waveform data
YAMAHA CORP14 citations73
US5376750ADec 27, 1994
Electronic musical instrument having working RAM controlled by plural CPUs
YAMAHA CORP17 citations72
US7220908B2May 22, 2007
Waveform processing apparatus with versatile data bus
YAMAHA CORP2 citations63
US5247130ASep 21, 1993
Tone signal processing apparatus employing a digital filter having improved signal delay loop
YAMAHA CORP6 citations63
US6770806B2Aug 3, 2004
Tone signal processing apparatus with intermittent clock supply
YAMAHA CORP4 citations62
US5365467ANov 15, 1994
Signal processor for providing variable acoustic effect
YAMAHA CORP2 citations62
US5270478ADec 14, 1993
Damp control in an electronic musical
YAMAHA CORP4 citations62
US5256831AOct 26, 1993
Envelope waveform generation apparatus
YAMAHA CORP3 citations62
US5229535AJul 20, 1993
Electronic musical instrument with a filter device having a relay
YAMAHA CORP2 citations62
US7459625B2Dec 2, 2008
Waveform processing apparatus with versatile data bus
YAMAHA CORP1 citations52
US5359145AOct 25, 1994
Time-divisional data register
YAMAHA CORP0 citations42
USRE40364EJun 10, 2008
Tone signal processing apparatus with intermittent clock supply
YAMAHA CORP0 citations41