Inventor · disambiguated record
Kazuhisa Kotegawa
Also filed as: KOTEGAWA KAZUHISA
10 granted patents·1 pending application·20 citations·filing 2006–2022
83Inventor score
Top patents by PatentIndex Score
11 records- 0190US11790883B2Active noise reduction device, vehicle, and active noise reduction methodPANASONIC IP MAN CO LTD·Filed 2022·Granted Oct 17, 2023·2 cites·8 claims
- 0276US8155328B2Sound reproducing apparatusKOTEGAWA KAZUHISA·Filed 2007·Granted Apr 10, 2012·8 cites·5 claims
- 0371US9036856B2Sound reproduction devicePANASONIC CORP·Filed 2014·Granted May 19, 2015·3 cites·10 claims
- 0463US8139798B2Sound reproducing apparatusKOTEGAWA KAZUHISA·Filed 2007·Granted Mar 20, 2012·4 cites·6 claims
- 0561US10290295B2Sound masking device, vehicle, and sound masking methodPANASONIC IP MAN CO LTD·Filed 2017·Granted May 14, 2019·1 cites·21 claims
- 0656US11996076B2Active noise reduction device, vehicle, and anomaly determination methodPANASONIC IP MAN CO LTD·Filed 2022·Granted May 28, 2024·0 cites·20 claims
- 0753US8116488B2Sound reproducing apparatus and vehicle using the sound reproducing apparatusNAGASAWA SHINNOSUKE·Filed 2006·Granted Feb 14, 2012·2 cites·4 claims
- 0848US11438696B2Active noise reduction device and active noise reduction methodPANASONIC IP MAN CO LTD·Filed 2021·Granted Sep 6, 2022·0 cites·11 claims
- 0947US8855333B2Ultrasonic speaker systemPANASONIC CORP·Filed 2014·Granted Oct 7, 2014·0 cites·6 claims
- 1044US2009052693A1Sound Reproducing ApparatusPANASONIC CORP·Filed 2006·Application pending·0 cites
- 1142US10685637B2Noise masking device, vehicle and noise masking methodPANASONIC IP MAN CO LTD·Filed 2018·Granted Jun 16, 2020·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →