Inventor · disambiguated record
Takeo Shibukawa
Also filed as: SHIBUKAWA TAKEO
41 granted patents·2 pending applications·1,071 citations·filing 1985–2006
98Inventor score
Top patents by PatentIndex Score
43 records- 0198US5918303APerformance setting data selecting apparatusYAMAHA CORP·Filed 1997·Granted Jun 29, 1999·421 cites·23 claims
- 0291US5619005AElectronic musical instrument capable of controlling tone on the basis of detection of key operating styleYAMAHA CORP·Filed 1994·Granted Apr 8, 1997·68 cites·29 claims
- 0385US4869701AElectrical educational toyYAMAHA CORP·Filed 1987·Granted Sep 26, 1989·88 cites·8 claims
- 0482US6515210B2Musical score displaying apparatus and methodYAMAHA CORP·Filed 2002·Granted Feb 4, 2003·24 cites·12 claims
- 0579US5208416AAutomatic performance deviceYAMAHA CORP·Filed 1992·Granted May 4, 1993·38 cites·11 claims
- 0675US5136916AElectronic musical instrumentYAMAHA CORP·Filed 1991·Granted Aug 11, 1992·26 cites·18 claims
- 0775US4703680ATruncate prioritization system for multi channel electronic music generatorNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Nov 3, 1987·27 cites·39 claims
- 0874US5286909AKey-to-be-depressed designating and comparing apparatus using a visual displayYAMAHA CORP·Filed 1992·Granted Feb 15, 1994·27 cites·19 claims
- 0970US6696633B2Electronic tone generating apparatus and signal-processing-characteristic adjusting methodYAMAHA CORP·Filed 2002·Granted Feb 24, 2004·18 cites·11 claims
- 1069US7385133B2Technique for simplifying setting of network connection environment for electronic music apparatusYAMAHA CORP·Filed 2005·Granted Jun 10, 2008·6 cites·18 claims
- 1168US6486387B1Fingering information analyzer, electronic musical instrument including fingering information analysis and method thereforeYAMAHA CORP·Filed 2000·Granted Nov 26, 2002·6 cites·14 claims
- 1268US5260510AAutomatic accompaniment apparatus for determining a new chord type and root note based on data of a previous performance operationYAMAHA CORP·Filed 1992·Granted Nov 9, 1993·20 cites·2 claims
- 1367US5069104AAutomatic key-depression indication apparatusYAMAHA CORP·Filed 1990·Granted Dec 3, 1991·20 cites·7 claims
- 1465US5192824AElectronic musical instrument having multiple operation modesYAMAHA CORP·Filed 1990·Granted Mar 9, 1993·26 cites·25 claims
- 1565US4922794AElectronic musical instrument having external memory devicesYAMAHA CORP·Filed 1988·Granted May 8, 1990·17 cites·8 claims
- 1662US5656789AElectronic musical instrument having a function to indicate keys to be operatedYAMAHA CORP·Filed 1995·Granted Aug 12, 1997·39 cites·25 claims
- 1761US4953438AAutomatic performance apparatus storing and editing performance informationYAMAHA CORP·Filed 1988·Granted Sep 4, 1990·15 cites·6 claims
- 1860US5216188AAutomatic accompaniment apparatusYAMAHA CORP·Filed 1992·Granted Jun 1, 1993·15 cites·4 claims
- 1959US7700866B2Electronic musical apparatus displaying network service items for selection and computer program thereforYAMAHA CORP·Filed 2004·Granted Apr 20, 2010·8 cites·5 claims
- 2057US5078040AElectronic musical instrument providing transposition during playingYAMAHA CORP·Filed 1990·Granted Jan 7, 1992·13 cites·4 claims
- 2154US5552561APlaying-style detecting apparatus and electronic musical instrument utilizing the sameYAMAHA CORP·Filed 1995·Granted Sep 3, 1996·17 cites·26 claims
- 2253US6274798B1Apparatus for and method of setting correspondence between performance parts and tracksYAMAHA CORP·Filed 2000·Granted Aug 14, 2001·5 cites·23 claims
- 2353US5220122AAutomatic accompaniment device with chord note adjustmentYAMAHA CORP·Filed 1992·Granted Jun 15, 1993·12 cites·7 claims
- 2450US4858508AElectronic musical instrument with tone-sustaining controllerYAMAHA CORP·Filed 1988·Granted Aug 22, 1989·9 cites·5 claims
- 2549US6025551AFingering information analyzer and electronic musical instrument with the sameYAMAHA CORP·Filed 1995·Granted Feb 15, 2000·19 cites·4 claims
- 2649US5241130AElectronic keyboard musical instrument with pedal effect determined by zone colorYAMAH CORP·Filed 1991·Granted Aug 31, 1993·15 cites·4 claims
- 2749US2007033065A1Electronic music apparatus, control method therefor, and program for implementing the control methodYAMAHA CORP·Filed 2006·Application pending·0 cites
- 2849US2005150358A1Electronic music apparatus, control method therefor, and program for implementing the control methodFiled 2004·Application pending·0 cites
- 2948US5459281AElectronic musical instrument having a chord detecting functionYAMAHA CORP·Filed 1992·Granted Oct 17, 1995·10 cites·17 claims
- 3046US7720913B2Electronic musical apparatus and server computerYAMAHA CORP·Filed 2004·Granted May 18, 2010·0 cites·12 claims
- 3144US5117728ASoft pedal effect applying apparatusYAMAHA CORP·Filed 1989·Granted Jun 2, 1992·8 cites·5 claims
- 3242US7368653B2Electronic musical apparatus and program for controlling the sameYAMAHA CORP·Filed 2005·Granted May 6, 2008·0 cites·11 claims
- 3342US5641930AElectronic musical apparatus for controlling musical tone using initial touch informationYAMAHA CORP·Filed 1995·Granted Jun 24, 1997·10 cites·6 claims
- 3442US4982644AElectronic musical instrument with tone-sustaining controllerYAMAHA CORP·Filed 1989·Granted Jan 8, 1991·6 cites·2 claims
- 3542US4628788AAutomatic rhythm performing apparatusNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Dec 16, 1986·7 cites·8 claims
- 3641US7432434B2Electronic musical apparatus and server computerYAMAHA CORP·Filed 2004·Granted Oct 7, 2008·0 cites·11 claims
- 3741US6417438B1Apparatus for and method of providing a performance guide display to assist in a manual performance of an electronic musical apparatus in a selected musical keyYAMAHA CORP·Filed 1999·Granted Jul 9, 2002·9 cites·15 claims
- 3841US5221804ATone generation device for an electronic musical instrumentYAMAHA CORP·Filed 1990·Granted Jun 22, 1993·7 cites·12 claims
- 3940US7498503B2Electronic music apparatus capable of connecting to networkYAMAHA CORP·Filed 2005·Granted Mar 3, 2009·0 cites·6 claims
- 4038US5804754AWave table sound source capable of processing external waveformYAMAHA CORP·Filed 1997·Granted Sep 8, 1998·8 cites·13 claims
- 4137US5136915ATouch response control for an electronic musical instrumentYAMAHA CORP·Filed 1990·Granted Aug 11, 1992·5 cites·12 claims
- 4232US5616877AAutomatic performace deviceYAMAHA CORP·Filed 1996·Granted Apr 1, 1997·2 cites·8 claims
- 4330US5481067AElectronic musical instrument under control of multiple task requirementYAMAHA CORP·Filed 1993·Granted Jan 2, 1996·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →