Assignee
TOA CORP
JP·47 granted patents·4 pending applications·537 citations·filing 1988–2025
Top patents by PatentIndex Score
51 records- 0187USD557257SSpeakerTOA CORP·Filed 2006·Granted Dec 11, 2007·40 cites·1 claims
- 0287USD531986SLoudspeaker housingTOA CORP·Filed 2005·Granted Nov 14, 2006·41 cites·1 claims
- 0386USD851633SMicrophone with built-in speakerTOA CORP·Filed 2017·Granted Jun 18, 2019·28 cites·1 claims
- 0484USD714266SMicrophoneTOA CORP·Filed 2013·Granted Sep 30, 2014·41 cites·1 claims
- 0583USD595684STransmitterTOA CORP·Filed 2008·Granted Jul 7, 2009·32 cites·1 claims
- 0682USD585434SMicrophoneTOA CORP·Filed 2008·Granted Jan 27, 2009·31 cites·1 claims
- 0779US7627180B2Image compression apparatusTOA CORP·Filed 2005·Granted Dec 1, 2009·7 cites·4 claims
- 0879US7324656B2Wide dispersion speaker system and cover mounting structure for instrument directly mounted to flat portionTOA CORP·Filed 2003·Granted Jan 29, 2008·21 cites·23 claims
- 0978US7735599B2Sound wave guide structure for speaker system and horn speakerTOA CORP·Filed 2004·Granted Jun 15, 2010·17 cites·26 claims
- 1076US7894769B2Wireless microphone communication systemTOA CORP·Filed 2004·Granted Feb 22, 2011·9 cites·6 claims
- 1172USD583806SMicrophoneTOA CORP·Filed 2008·Granted Dec 30, 2008·20 cites·1 claims
- 1269US7965850B2Resonance frequency determining method, resonance frequency selecting method, and resonance frequency determining apparatusTOA CORP·Filed 2005·Granted Jun 21, 2011·6 cites·12 claims
- 1368US8014611B2Image compression method, image compression device, image transmission system, data compression pre-processing apparatus, and computer programTOA CORP·Filed 2005·Granted Sep 6, 2011·5 cites·18 claims
- 1467US6580801B1Loudspeaker apparatusTOA CORP·Filed 2000·Granted Jun 17, 2003·12 cites·10 claims
- 1566US2026060552A1Protein Detection Device and Protein Detection MethodTOA CORP·Filed 2025·Application pending·0 cites
- 1664US7401681B2Mounting support device for ceiling embedded speaker systemTOA CORP·Filed 2004·Granted Jul 22, 2008·11 cites·11 claims
- 1764USD567211SAmplifierTOA CORP·Filed 2006·Granted Apr 22, 2008·18 cites·1 claims
- 1864US7249511B2Method 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
- 1963US7840024B2Wide dispersion speaker system and cover mounting structure for instrument directly mounted to flat portionTOA CORP·Filed 2007·Granted Nov 23, 2010·2 cites·11 claims
- 2063US5020858AMethod of and apparatus for forming and transporting mud clogsTOA CORP·Filed 1990·Granted Jun 4, 1991·25 cites·7 claims
- 2162US7787635B2Dip filter frequency characteristic decision methodTOA CORP·Filed 2004·Granted Aug 31, 2010·9 cites·3 claims
- 2262USD586328SReceiverTOA CORP·Filed 2008·Granted Feb 10, 2009·13 cites·1 claims
- 2358US7245678B2Digital wireless receiver using antenna diversity methodTOA CORP·Filed 2003·Granted Jul 17, 2007·5 cites·5 claims
- 2456US5715322AThroat device interconnecting a plurality of drive units and a hornTOA CORP·Filed 1996·Granted Feb 3, 1998·28 cites·5 claims
- 2555US9818430B2Estimating sound source position with microphone array controlTOA CORP·Filed 2013·Granted Nov 14, 2017·1 cites·6 claims
- 2654USD570827SSpeakerTOA CORP·Filed 2007·Granted Jun 10, 2008·9 cites·1 claims
- 2754US5148491AAutomatic mixer apparatusTOA CORP·Filed 1990·Granted Sep 15, 1992·18 cites·5 claims
- 2852US9826307B2Microphone array including at least three microphone unitsTOA CORP·Filed 2013·Granted Nov 21, 2017·1 cites·4 claims
- 2951US5285025ALoudspeaker hornTOA CORP·Filed 1990·Granted Feb 8, 1994·20 cites·9 claims
- 3050US12012836B2Water bottom resource collecting system and collecting methodTOA CORP·Filed 2022·Granted Jun 18, 2024·0 cites·14 claims
- 3150US7260227B2Method and device for measuring sound wave propagation time between loudspeaker and microphoneTOA CORP·Filed 2003·Granted Aug 21, 2007·3 cites·8 claims
- 3249US7430255B2Impulse noise suppression deviceTOA CORP·Filed 2002·Granted Sep 30, 2008·5 cites·5 claims
- 3348US9648413B2Loudspeaker systemTOA CORP·Filed 2013·Granted May 9, 2017·0 cites·17 claims
- 3448US7248655B2Digital radio receiverTOA CORP·Filed 2003·Granted Jul 24, 2007·1 cites·2 claims
- 3548US6172635B1Highly accurate A/D converterTOA CORP·Filed 1999·Granted Jan 9, 2001·12 cites·5 claims
- 3647US7596238B2Howling margin measuring deviceTOA CORP·Filed 2004·Granted Sep 29, 2009·1 cites·11 claims
- 3746US12170872B2Public address systemTOA CORP·Filed 2020·Granted Dec 17, 2024·0 cites·7 claims
- 3846US7386004B2Digital broadcast systemTOA CORP·Filed 2003·Granted Jun 10, 2008·0 cites·5 claims
- 3946US6658128B1Horn loudspeakerTOA CORP·Filed 1999·Granted Dec 2, 2003·22 cites·3 claims
- 4045US2024003253A1Water bottom resource collecting methodTOA CORP·Filed 2022·Application pending·0 cites
- 4144USD584721SMicrophoneTOA CORP·Filed 2008·Granted Jan 13, 2009·6 cites·1 claims
- 4241US10355794B2Channel simulation device and channel simulation programTOA CORP·Filed 2015·Granted Jul 16, 2019·0 cites·14 claims
- 4341US2009303328A1Surveillance system and control apparatus thereforTOA CORP·Filed 2006·Application pending·0 cites
- 4438US7035395B2Digital communication systemTOA CORP·Filed 2001·Granted Apr 25, 2006·0 cites·5 claims
- 4537US2025211930A1Emergency broadcast system and speaker unitTOA CORP·Filed 2022·Application pending·0 cites
- 4636US7551690B2Transmitter and receiverTOA CORP·Filed 2002·Granted Jun 23, 2009·0 cites·2 claims
- 4733USD522998SAmplifier housingTOA CORP·Filed 2005·Granted Jun 13, 2006·3 cites·1 claims
- 4833US4903419AMethod of and apparatus for dredging sludge in high densityTOA CORP·Filed 1988·Granted Feb 27, 1990·4 cites·5 claims
- 4930US12266369B2AI control device, server device connected to AI control device, and AI control methodTOA CORP·Filed 2020·Granted Apr 1, 2025·0 cites·8 claims
- 5028US12273692B2Public address device, howling suppression device, and howling suppression methodTOA CORP·Filed 2020·Granted Apr 8, 2025·0 cites·3 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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