Inventor · disambiguated record
Daisuke Higashihara
Also filed as: HIGASHIHARA DAISUKE
6 granted patents·57 citations·filing 2003–2017
81Inventor score
Files withTOA CORP6
Top patents by PatentIndex Score
6 records- 0186USD851633SMicrophone with built-in speakerTOA CORP·Filed 2017·Granted Jun 18, 2019·28 cites·1 claims
- 0269US7965850B2Resonance frequency determining method, resonance frequency selecting method, and resonance frequency determining apparatusTOA CORP·Filed 2005·Granted Jun 21, 2011·6 cites·12 claims
- 0364US7249511B2Method of detecting resonant frequency, method of selecting resonance frequency, and device for detecting resonant frequency sensorTOA CORP·Filed 2003·Granted Jul 31, 2007·10 cites·10 claims
- 0462US7787635B2Dip filter frequency characteristic decision methodTOA CORP·Filed 2004·Granted Aug 31, 2010·9 cites·3 claims
- 0550US7260227B2Method and device for measuring sound wave propagation time between loudspeaker and microphoneTOA CORP·Filed 2003·Granted Aug 21, 2007·3 cites·8 claims
- 0647US7596238B2Howling margin measuring deviceTOA CORP·Filed 2004·Granted Sep 29, 2009·1 cites·11 claims
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