Inventor
ICHIKI TETSUJI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKI TETSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
16 patentsUS5422431AJun 6, 1995
Electronic musical tone synthesizing apparatus generating tones with variable decay rates
YAMAHA CORP55 citations95
US5892170AApr 6, 1999
Musical tone generation apparatus using high-speed bus for data transfer in waveform memory
YAMAHA CORP23 citations92
US5094136AMar 10, 1992
Electronic musical instrument having plural different tone generators employing different tone generation techniques
YAMAHA CORP26 citations90
US5949011ASep 7, 1999
Configurable tone generator chip with selectable memory chips
YAMAHA CORP19 citations83
US4924745AMay 15, 1990
Automatic performance recording apparatus
YAMAHA CORP19 citations81
US6359206B2Mar 19, 2002
Tone signal processing apparatus with intermittent clock supply
YAMAHA CORP5 citations73
US5625158AApr 29, 1997
Musical tone generating apparatus
YAMAHA CORP14 citations73
US5498835AMar 12, 1996
Digital signal processing apparatus for applying effects to a musical tone signal
YAMAHA CORP9 citations73
US5416264AMay 16, 1995
Waveform-forming device having memory storing non-compressed/compressed waveform samples
YAMAHA CORP11 citations73
US5252773AOct 12, 1993
Tone signal generating device for interpolating and filtering stored waveform data
YAMAHA CORP14 citations73
US4882963ANov 28, 1989
Electronic musical instrument with editing of tone data
YAMAHA CORP7 citations73
US6770806B2Aug 3, 2004
Tone signal processing apparatus with intermittent clock supply
YAMAHA CORP4 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
USRE40364EJun 10, 2008
Tone signal processing apparatus with intermittent clock supply
YAMAHA CORP0 citations41