Inventor · disambiguated record
Yoshikatsu Matsubara
Also filed as: MATSUBARA YOSHIKATSU
7 granted patents·1 pending application·197 citations·filing 1995–2024
85Inventor score
Top patents by PatentIndex Score
8 records- 0193US8320601B2Earphone device and sound generating apparatus equipped with the sameTAKIGAWA SOUICHI·Filed 2009·Granted Nov 27, 2012·63 cites·20 claims
- 0291US8090134B2Earphone device, sound tube forming a part of earphone device and sound generating apparatusTAKIGAWA SOUICHI·Filed 2009·Granted Jan 3, 2012·60 cites·20 claims
- 0381US5863206AApparatus for reproducing video, audio, and accompanying characters and method of manufactureYAMAHA CORP·Filed 1995·Granted Jan 26, 1999·60 cites·22 claims
- 0475US8270657B2Earphone device and sound generating apparatus equipped with the sameTAKIGAWA SOUICHI·Filed 2009·Granted Sep 18, 2012·8 cites·20 claims
- 0569US2025029581A1Control device and keyboard instrumentYAMAHA CORP·Filed 2024·Application pending·0 cites
- 0663US8983099B2Electrostatic loudspeakerTAKANO YASUAKI·Filed 2011·Granted Mar 17, 2015·3 cites·19 claims
- 0758US8666097B2Electrostatic speakerICHIKAWA HIROMI·Filed 2010·Granted Mar 4, 2014·3 cites·19 claims
- 0846US11002570B2Fixed element and position detection deviceYAMAHA CORP·Filed 2018·Granted May 11, 2021·0 cites·6 claims
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