Inventor · disambiguated record
Koji Takayama
Also filed as: TAKAYAMA KOJI
21 granted patents·17 pending applications·91 citations·filing 2001–2018
93Inventor score
Files withPIONEER CORP12PIONEER TOHOKU CORP11PANASONIC CORP3CITIZEN ELECTRONICS2PANASONIC IP MAN CO LTD2
Top patents by PatentIndex Score
38 records- 0182US7704428B2Method for manufacturing diaphragm for use in electroacoustic transducerPIONEER CORP·Filed 2005·Granted Apr 27, 2010·7 cites·3 claims
- 0281US10623631B2Imaging apparatusPANASONIC IP MAN CO LTD·Filed 2018·Granted Apr 14, 2020·3 cites·10 claims
- 0380US8023680B2Mounting bracket and speaker unitPIONEER CORP·Filed 2006·Granted Sep 20, 2011·11 cites·7 claims
- 0474US8045746B2Speaker devicePIONEER CORP·Filed 2006·Granted Oct 25, 2011·8 cites·4 claims
- 0571US8235167B2Vibrating body for speaker and speaker deviceKOBAYASHI HIROYUKI·Filed 2009·Granted Aug 7, 2012·5 cites·23 claims
- 0670US6929092B2Speaker diaphragmPIONEER TOHOKU CORP·Filed 2001·Granted Aug 16, 2005·14 cites·11 claims
- 0767US6898292B2Electret microphoneCITIZEN ELECTRONICS·Filed 2002·Granted May 24, 2005·13 cites·5 claims
- 0867US6744896B2Electret microphoneCITIZEN ELECTRONICS·Filed 2002·Granted Jun 1, 2004·12 cites·4 claims
- 0966US9030574B2Imaging apparatus capable of correcting white balance based on an output signal amplification gain and white balance gainTAKAYAMA KOJI·Filed 2011·Granted May 12, 2015·4 cites·10 claims
- 1065US10148844B2Imaging apparatusPANASONIC IP MAN CO LTD·Filed 2016·Granted Dec 4, 2018·1 cites·9 claims
- 1163US7849958B2Vibration system part for speaker device and manufacturing method thereofPIONEER CORP·Filed 2006·Granted Dec 14, 2010·2 cites·20 claims
- 1261US8165335B2Speaker and speaker unitHAYASAKA SHINICHI·Filed 2006·Granted Apr 24, 2012·4 cites·8 claims
- 1357US9118836B2Imaging devicePANASONIC CORP·Filed 2014·Granted Aug 25, 2015·0 cites·6 claims
- 1455US7706560B2Speaker apparatusPIONEER CORP·Filed 2005·Granted Apr 27, 2010·1 cites·3 claims
- 1555US6814181B2Electrically conductive damper device for speakerPIONEER CORP·Filed 2001·Granted Nov 9, 2004·5 cites·7 claims
- 1653US9438790B2Image processing apparatus, image processing method, and imaging apparatusPANASONIC CORP·Filed 2014·Granted Sep 6, 2016·0 cites·9 claims
- 1753US2005253299A1Method for manufacturing electroacoustic transducer diaphragmPIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
- 1853US2005253298A1Method for manufacturing electroacoustic transducer diaphragmPIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
- 1953US2005051380A1Speaker diaphragm and speaker using the diaphramPIONEER CORP·Filed 2004·Application pending·0 cites
- 2052US9100628B2Image processing apparatus, image processing method, and imaging apparatusPANASONIC CORP·Filed 2014·Granted Aug 4, 2015·0 cites·9 claims
- 2152US7489915B2Squelch circuit and communication apparatus used with the sameSONY CORP·Filed 2005·Granted Feb 10, 2009·1 cites·13 claims
- 2252US2010108433A1Electroacoustic transducer diaphragmPIONEER CORP·Filed 2010·Application pending·0 cites
- 2347US2007003080A1Speaker apparatusPIONEER TOHOKU CORP·Filed 2006·Application pending·0 cites
- 2447US2006266578A1Speaker diaphragm and method for manufacturing the samePIONEER TOHOKU CORP·Filed 2006·Application pending·0 cites
- 2547US2011116662A1Speaker devicePIONEER CORP·Filed 2008·Application pending·0 cites
- 2647US2007165901A1Speaker bracket and speakerPIONEER TOHOKU CORP·Filed 2006·Application pending·0 cites
- 2746US2007121994A1Speaker apparatusPIONEER TOHOKU CORP·Filed 2006·Application pending·0 cites
- 2845US2005190944A1Unidirectional condenser microphone unitAUDIO TECHNICA KK·Filed 2005·Application pending·0 cites
- 2944US11076233B2Sound generation devicePIONEER CORP·Filed 2016·Granted Jul 27, 2021·0 cites·7 claims
- 3044US2005244029A1Speaker apparatus and speaker diaphragmPIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
- 3144US2004131221A1Speaker surround and method for producing the sameFiled 2003·Application pending·0 cites
- 3244US2005244030A1Speaker apparatusPIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
- 3344US2007147652A1Speaker devicePIONEER TOHOKU CORP·Filed 2006·Application pending·0 cites
- 3442US10277976B2Speaker device having diaphragm with folded portionPIONEER CORP·Filed 2015·Granted Apr 30, 2019·0 cites·18 claims
- 3541US10264347B2Two-way speaker device having diaphragm of second speaker unit inside voice coil bobbin of first speaker unitPIONEER CORP·Filed 2015·Granted Apr 16, 2019·0 cites·19 claims
- 3641US2006088183A1Speaker apparatusPIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
- 3741US2002057818A1Speaker apparatusFiled 2001·Application pending·0 cites
- 3839US2006088172A1Speaker apparatus for vehiclePIONEER CORP AND TOHOKU PIONEE·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →