Inventor · disambiguated record
Rei Furukawa
Also filed as: FURUKAWA REI
17 granted patents·2 pending applications·229 citations·filing 1993–2024
94Inventor score
Files withYAMAHA CORP19
Top patents by PatentIndex Score
19 records- 0186US7820902B2Music performance system for music session and component musical instrumentsYAMAHA CORP·Filed 2008·Granted Oct 26, 2010·19 cites·17 claims
- 0285US6737571B2Music recorder and music player for ensemble on the basis of different sorts of music dataYAMAHA CORP·Filed 2002·Granted May 18, 2004·42 cites·22 claims
- 0374US6949705B2Audio system for reproducing plural parts of music in perfect ensembleYAMAHA CORP·Filed 2003·Granted Sep 27, 2005·20 cites·22 claims
- 0472US7863513B2Synchronous playback system for reproducing music in good ensemble and recorder and player for the ensembleYAMAHA CORP·Filed 2003·Granted Jan 4, 2011·20 cites·28 claims
- 0572US7547838B2Tuning device for musical instruments and computer program used thereinYAMAHA CORP·Filed 2006·Granted Jun 16, 2009·5 cites·20 claims
- 0671US7902449B2Music performance system for music session and component musical instrumentsYAMAHA CORP·Filed 2008·Granted Mar 8, 2011·7 cites·15 claims
- 0769US2025029581A1Control device and keyboard instrumentYAMAHA CORP·Filed 2024·Application pending·0 cites
- 0867US6800799B2Recorder, method for recording music, player, method for reproducing the music and system for ensemble on the basis of music data codes differently formattedYAMAHA CORP·Filed 2003·Granted Oct 5, 2004·13 cites·29 claims
- 0965US8933309B2Simulating muting in a drive control device for striking member in sound generation mechanismYAMAHA CORP·Filed 2013·Granted Jan 13, 2015·1 cites·7 claims
- 1063US5627333AKeyboard musical instrument equipped with built-in distance measuring instrument for hammer sensorsYAMAHA CORP·Filed 1996·Granted May 6, 1997·29 cites·10 claims
- 1161US5731530AAutomatic player piano exactly reproducing special touchesYAMAHA CORP·Filed 1996·Granted Mar 24, 1998·27 cites·10 claims
- 1259US7642446B2Music system for transmitting enciphered music data, music data source and music producer incorporated thereinYAMAHA CORP·Filed 2004·Granted Jan 5, 2010·2 cites·6 claims
- 1355US5804751AElectronic musical instrument for electronically generating tone together with resonant sound variable in response to pedal actionYAMAHA CORP·Filed 1996·Granted Sep 8, 1998·18 cites·10 claims
- 1453US7985914B2Automatic player accompanying singer on musical instrument and automatic player musical instrumentYAMAHA CORP·Filed 2007·Granted Jul 26, 2011·1 cites·18 claims
- 1552US5804755AElectronic musical instrument having channel controller preferentially assigning sound generating channels to resonant sound signals with large magnitudeYAMAHA CORP·Filed 1997·Granted Sep 8, 1998·16 cites·7 claims
- 1648US10782159B2Detection device and detection methodYAMAHA CORP·Filed 2018·Granted Sep 22, 2020·0 cites·6 claims
- 1748US2006196346A1Automatic player accompanying singer on musical instrument and automatic player musical instrumentYAMAHA CORP·Filed 2005·Application pending·0 cites
- 1839US5391830AFoot pedal control system incorporated in musical instrument and shared between analog signal and digital signalYAMAHA CORP·Filed 1993·Granted Feb 21, 1995·7 cites·6 claims
- 1932US5831194AElectronic keyboard musical instrument capable of imparting effect similar to that of soft pedalYAMAHA CORP·Filed 1997·Granted Nov 3, 1998·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →