Inventor · disambiguated record
Yasuhiko Oba
Also filed as: OBA YASUHIKO
37 granted patents·4 pending applications·482 citations·filing 1990–2024
97Inventor score
Top patents by PatentIndex Score
41 records- 0188US10902830B2Signal supply device, keyboard device and non-transitory computer-readable storage mediumYAMAHA CORP·Filed 2019·Granted Jan 26, 2021·6 cites·20 claims
- 0287US9502014B1Actuator control in automatic performance of musical instrumentYAMAHA CORP·Filed 2016·Granted Nov 22, 2016·6 cites·13 claims
- 0386US6403872B2Keyboard musical instrument faithfully reproducing original performance without complicated tuning and music data generating system incorporated thereinYAMAHA CORP·Filed 2000·Granted Jun 11, 2002·37 cites·34 claims
- 0484US10937403B2Signal supply device, keyboard device and non-transitory computer-readable storage mediumYAMAHA CORP·Filed 2019·Granted Mar 2, 2021·4 cites·20 claims
- 0582US7295983B2Musical tune playback apparatusYAMAHA CORP·Filed 2003·Granted Nov 13, 2007·41 cites·10 claims
- 0682US6359207B1Position transducer system with built-in calibrator for moving object, method for accurately determining position of moving object and keyboard musical instrument equipped with the position transducer systemYAMAHA CORP·Filed 1999·Granted Mar 19, 2002·67 cites·9 claims
- 0780US5262586ASound controller incorporated in acoustic musical instrument for controlling qualities of soundYAMAHA CORP·Filed 1992·Granted Nov 16, 1993·40 cites·12 claims
- 0879US9958314B2Vibration detection mechanism and vibration sensor unitYAMAHA CORP·Filed 2014·Granted May 1, 2018·6 cites·10 claims
- 0973US6051762AData converter for producing individual music data from standard music data on the basis of the individuality of an automatic player piano learned before conversionYAMAHA CORP·Filed 1998·Granted Apr 18, 2000·46 cites·4 claims
- 1073US5739450AKeyboard musical instrument equipped with dummy key/hammer event supplementing systemYAMAHA CORP·Filed 1995·Granted Apr 14, 1998·44 cites·6 claims
- 1171US8933316B2Method and apparatus for identifying half pedal region in keyboard musical instrumentYAMAHA CORP·Filed 2014·Granted Jan 13, 2015·2 cites·15 claims
- 1270US7453037B2Musical performance apparatusYAMAHA CORP·Filed 2005·Granted Nov 18, 2008·4 cites·12 claims
- 1369US2025029581A1Control device and keyboard instrumentYAMAHA CORP·Filed 2024·Application pending·0 cites
- 1467US6271447B1Velocity calculating system for moving object widely varied in velocity method for correcting velocity and keyboard musical instrument equipped with the velocity calculating system for accurately determining loudness of soundsYAMAHA CORP·Filed 1999·Granted Aug 7, 2001·33 cites·19 claims
- 1567US5652399AAutomatic player piano and estimator for acceleration of depressed key incorporated in the automatic player pianoYAMAHA CORP·Filed 1996·Granted Jul 29, 1997·35 cites·24 claims
- 1665US8933309B2Simulating muting in a drive control device for striking member in sound generation mechanismYAMAHA CORP·Filed 2013·Granted Jan 13, 2015·1 cites·7 claims
- 1764US5691489AAutomatic player piano exactly reproducing half stroke in playbackYAMAHA CORP·Filed 1996·Granted Nov 25, 1997·31 cites·8 claims
- 1863US8859877B2Damper drive device for musical instrument, and musical instrumentYAMAHA CORP·Filed 2013·Granted Oct 14, 2014·1 cites·15 claims
- 1961US11551653B2Electronic musical instrumentYAMAHA CORP·Filed 2020·Granted Jan 10, 2023·0 cites·23 claims
- 2061US5731530AAutomatic player piano exactly reproducing special touchesYAMAHA CORP·Filed 1996·Granted Mar 24, 1998·27 cites·10 claims
- 2159US11749242B2Signal processing device and signal processing methodYAMAHA CORP·Filed 2020·Granted Sep 5, 2023·0 cites·20 claims
- 2258US11961499B2Sound signal generation device, keyboard instrument and sound signal generation methodYAMAHA CORP·Filed 2021·Granted Apr 16, 2024·0 cites·16 claims
- 2358US2022277713A1Sound production control apparatus, keyboard musical instrument, and sound production control methodYAMAHA CORP·Filed 2022·Application pending·0 cites
- 2457US11138961B2Sound output device and non-transitory computer-readable storage mediumYAMAHA CORP·Filed 2020·Granted Oct 5, 2021·0 cites·10 claims
- 2556US11694665B2Sound source, keyboard musical instrument, and method for generating sound signalYAMAHA CORP·Filed 2020·Granted Jul 4, 2023·0 cites·19 claims
- 2655US6075196APlayer piano reproducing special performance techniques using information based on musical instrumental digital interface standardsYAMAHA CORP·Filed 1998·Granted Jun 13, 2000·16 cites·8 claims
- 2754US11430417B2Data generation device and non-transitory computer-readable storage mediumYAMAHA CORP·Filed 2020·Granted Aug 30, 2022·0 cites·18 claims
- 2853US6111174AReleased key velocity estimator, method used therein and information storage medium storing program sequence for itYAMAHA CORP·Filed 1998·Granted Aug 29, 2000·17 cites·6 claims
- 2951US9384720B2Keyboard musical instrument, and method for recording half performance of pedal or key damper on keyboard musical instrumentYAMAHA CORP·Filed 2014·Granted Jul 5, 2016·0 cites·14 claims
- 3051US8859878B2Method and device for identifying half point of pedal on keyboard musical instrumentYAMAHA CORP·Filed 2013·Granted Oct 14, 2014·0 cites·15 claims
- 3148US9087494B2Musical instrument equipped with a pedal, and method thereforYAMAHA CORP·Filed 2013·Granted Jul 21, 2015·0 cites·12 claims
- 3248US2014305277A1Method and apparatus for identifying key-damper half region of keyboard musical instrumentYAMAHA CORP·Filed 2014·Application pending·0 cites
- 3348US2014305286A1Keyboard musical instrument, and method for reproducing half performance of pedal or key damper on keyboard musical instrumentYAMAHA CORP·Filed 2014·Application pending·0 cites
- 3447US9099062B2Keyboard musical instrument, method of controlling actuator in the keyboard musical instrument, and non-transitory recording medium storing program for controlling the actuatorYAMAHA CORP·Filed 2013·Granted Aug 4, 2015·0 cites·10 claims
- 3547US7259319B2Performance operator control apparatusYAMAHA CORP·Filed 2004·Granted Aug 21, 2007·2 cites·12 claims
- 3645US8735698B2Drive mechanism of lifting rail for musical instrument and musical instrument including the sameYAMAHA CORP·Filed 2013·Granted May 27, 2014·0 cites·15 claims
- 3742US10249274B2Keyboard musical instrument, adjusting method thereof, and computer-readable recording medium thereforYAMAHA CORP·Filed 2017·Granted Apr 2, 2019·0 cites·6 claims
- 3842US5072644ASynthetic recording device in an automatic performance pianoYAMAHA CORP·Filed 1990·Granted Dec 17, 1991·8 cites·6 claims
- 3936US5978201ADesign for solenoid driving circuit based on regulations of current ripple and solenoid effective time constant for driving keys of a player pianoYAMAHA CORP·Filed 1998·Granted Nov 2, 1999·5 cites·11 claims
- 4033US5892165AAutomatic player piano exactly reproducing acoustic sound produced under manipulation of sostenuto pedalYAMAHA CORP·Filed 1998·Granted Apr 6, 1999·3 cites·4 claims
- 4127US8546679B2Keyboard musical instrument, program, performance data conversion program and deviceOBA YASUHIKO·Filed 2012·Granted Oct 1, 2013·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →