Inventor · disambiguated record
Ichiro Osuga
Also filed as: OSUGA ICHIRO
49 granted patents·4 pending applications·225 citations·filing 1992–2025
98Inventor score
Top patents by PatentIndex Score
53 records- 0193US10482861B2Reaction force generator and keyboard device of electronic musical instrumentYAMAHA CORP·Filed 2018·Granted Nov 19, 2019·7 cites·12 claims
- 0291US7750222B2Keyboard apparatus of electronic musical instrumentYAMAHA CORP·Filed 2008·Granted Jul 6, 2010·26 cites·20 claims
- 0389US10984761B2Key assembly and keyboard apparatusYAMAHA CORP·Filed 2020·Granted Apr 20, 2021·2 cites·20 claims
- 0488US10311847B2Keyboard apparatusYAMAHA CORP·Filed 2018·Granted Jun 4, 2019·6 cites·14 claims
- 0587US12183312B2Vibration plate and musical instrumentYAMAHA CORP·Filed 2022·Granted Dec 31, 2024·1 cites·10 claims
- 0686US9269336B2Operating element deviceYAMAHA CORP·Filed 2014·Granted Feb 23, 2016·9 cites·18 claims
- 0781US7767892B2Keyboard apparatus for electronic musical instrumentYAMAHA CORP·Filed 2008·Granted Aug 3, 2010·9 cites·10 claims
- 0879US7541532B2Key structure and keyboard apparatusYAMAHA CORP·Filed 2006·Granted Jun 2, 2009·10 cites·9 claims
- 0978US7176370B2Key structure and keyboard apparatusYAMAHA CORP·Filed 2004·Granted Feb 13, 2007·19 cites·9 claims
- 1077US9040807B2Keyboard apparatus for an electronic musical instrumentYAMAHA CORP·Filed 2014·Granted May 26, 2015·6 cites·8 claims
- 1176US9613608B2Keyboard unitYAMAHA CORP·Filed 2016·Granted Apr 4, 2017·3 cites·20 claims
- 1276US9489006B2Reaction force generatorYAMAHA CORP·Filed 2015·Granted Nov 8, 2016·2 cites·10 claims
- 1375US7709718B2Electronic musical instrument keyboard apparatusYAMAHA CORP·Filed 2008·Granted May 4, 2010·9 cites·5 claims
- 1475US2025069569A1Vibration plate and musical instrumentYAMAHA CORP·Filed 2024·Application pending·0 cites
- 1574US9697816B2Keyboard unitYAMAHA CORP·Filed 2016·Granted Jul 4, 2017·3 cites·12 claims
- 1674US9613607B2Keyboard unitYAMAHA CORP·Filed 2016·Granted Apr 4, 2017·3 cites·13 claims
- 1774US8987570B2Keyboard device for electronic musical instrumentYAMAHA CORP·Filed 2013·Granted Mar 24, 2015·5 cites·28 claims
- 1871US9424825B2Keyboard apparatus for an electronic musical instrumentYAMAHA CORP·Filed 2014·Granted Aug 23, 2016·4 cites·9 claims
- 1969US12305685B2Fastening structure and keyboard deviceYAMAHA CORP·Filed 2023·Granted May 20, 2025·0 cites·6 claims
- 2069US10431403B2Reactive force generation deviceYAMAHA CORP·Filed 2018·Granted Oct 1, 2019·1 cites·14 claims
- 2168US10891923B2Vibrator and musical instrumentYAMAHA CORP·Filed 2019·Granted Jan 12, 2021·1 cites·18 claims
- 2268US7696424B2Keyboard apparatus of electronic musical instrumentYAMAHA CORP·Filed 2007·Granted Apr 13, 2010·6 cites·19 claims
- 2367US12444392B2Tone plate and percussion instrumentYAMAHA CORP·Filed 2023·Granted Oct 14, 2025·0 cites·14 claims
- 2467US8809658B2Keyboard device for electronic musical instrumentYAMAHA CORP·Filed 2013·Granted Aug 19, 2014·3 cites·12 claims
- 2567US7772474B2Keyboard device with an anti-floating part for electronic musical instrumentYAMAHA CORP·Filed 2007·Granted Aug 10, 2010·3 cites·5 claims
- 2667US7652207B2Key structure and keyboard apparatusYAMAHA CORP·Filed 2008·Granted Jan 26, 2010·4 cites·8 claims
- 2766US10311836B2Support assembly and keyboard apparatusYAMAHA CORP·Filed 2017·Granted Jun 4, 2019·1 cites·20 claims
- 2866US2025299651A1Keyboard instrument and method of producing key of keyboard instrumentYAMAHA CORP·Filed 2025·Application pending·0 cites
- 2966US2025299650A1Musical instrument and producing method thereofYAMAHA CORP·Filed 2025·Application pending·0 cites
- 3065US7858863B2Electronic musical instrument keyboard apparatusYAMAHA CORP·Filed 2008·Granted Dec 28, 2010·4 cites·14 claims
- 3165US7709719B2Keyboard apparatus for electronic musical instrumentYAMAHA CORP·Filed 2007·Granted May 4, 2010·2 cites·13 claims
- 3265US5300727AElectrical musical instrument having a tone color searching functionYAMAHA CORP·Filed 1992·Granted Apr 5, 1994·18 cites·11 claims
- 3364US10311846B2Keyboard musical instrument and method of acquiring correction information in keyboard musical instrumentYAMAHA CORP·Filed 2018·Granted Jun 4, 2019·1 cites·13 claims
- 3464US7952011B2Key and keyboard apparatusYAMAHA CORP·Filed 2009·Granted May 31, 2011·2 cites·7 claims
- 3561US5895875AKeyboard assembly for electronic musical instrumentYAMAHA CORP·Filed 1995·Granted Apr 20, 1999·27 cites·22 claims
- 3660US8809659B2Keyboard device for electronic musical instrumentYAMAHA CORP·Filed 2013·Granted Aug 19, 2014·2 cites·12 claims
- 3759US8809660B2Keyboard device for electronic musical instrumentYAMAHA CORP·Filed 2013·Granted Aug 19, 2014·2 cites·10 claims
- 3859US8802952B2Keyboard device for electronic musical instrumentYAMAHA CORP·Filed 2013·Granted Aug 12, 2014·2 cites·12 claims
- 3957US11100908B2Keyboard and keyboard componentYAMAHA CORP·Filed 2020·Granted Aug 24, 2021·0 cites·14 claims
- 4056US10984760B2Musical instrument and vibratorYAMAHA CORP·Filed 2020·Granted Apr 20, 2021·0 cites·16 claims
- 4154US11767873B2Fastening structure and keyboard deviceYAMAHA CORP·Filed 2019·Granted Sep 26, 2023·0 cites·6 claims
- 4254US8637755B2Keyboard device for electronic musical instrumentYAMAHA CORP·Filed 2013·Granted Jan 28, 2014·1 cites·11 claims
- 4353US10685631B2Keyboard apparatusYAMAHA CORP·Filed 2018·Granted Jun 16, 2020·0 cites·9 claims
- 4452US6005178AElectronic musical instrument simulating acoustic piano keytouch characteristicsYAMAHA CORP·Filed 1998·Granted Dec 21, 1999·17 cites·17 claims
- 4551US11326660B2Reaction force generation unitYAMAHA CORP·Filed 2019·Granted May 10, 2022·0 cites·8 claims
- 4651US9659549B2Support assembly and keyboard apparatusYAMAHA CORP·Filed 2016·Granted May 23, 2017·0 cites·17 claims
- 4750US6660920B2Music operator with tension string for sensing action inputYAMAHA CORP·Filed 2002·Granted Dec 9, 2003·4 cites·21 claims
- 4847US2024038204A1Sound bar and percussion instrumentYAMAHA CORP·Filed 2023·Application pending·0 cites
- 4945US7268285B2Key structure and keyboard apparatusYAMAHA CORP·Filed 2004·Granted Sep 11, 2007·0 cites·9 claims
- 5044US8299344B2Key and keyboard apparatusOSUGA ICHIRO·Filed 2011·Granted Oct 30, 2012·0 cites·15 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →