Inventor · disambiguated record
Guoqiang Chai
Also filed as: CHAI GUOQIANG
13 granted patents·4 pending applications·15 citations·filing 2011–2021
83Inventor score
Top patents by PatentIndex Score
17 records- 0181US8620005B2All-digital speaker system deviceMA DENGYONG·Filed 2011·Granted Dec 31, 2013·10 cites·8 claims
- 0275US9042580B2DiaphragmSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2013·Granted May 26, 2015·4 cites·8 claims
- 0352US9942682B2Implementation method and device of multi-bit modulation-based digital speaker systemSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2014·Granted Apr 10, 2018·1 cites·18 claims
- 0449US11312530B2Speaker packaging device and package bodySUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2018·Granted Apr 26, 2022·0 cites·8 claims
- 0546US11962987B2Magnetic circuit of loudspeaker and loudspeakerSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2019·Granted Apr 16, 2024·0 cites·14 claims
- 0646US2024373185A1System and method for verifying power amplifier of on-board audio systemSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2021·Application pending·0 cites
- 0745US12356136B2Vehicle-mounted woofer device and design method thereforSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2021·Granted Jul 8, 2025·0 cites·17 claims
- 0845US11950072B2Mid-range loudspeakerSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2019·Granted Apr 2, 2024·0 cites·9 claims
- 0944US11849277B2Loudspeaker systemSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2019·Granted Dec 19, 2023·0 cites·11 claims
- 1042US11089400B2Coaxial loudspeakerSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2018·Granted Aug 10, 2021·0 cites·19 claims
- 1142US2024098402A1Loudspeaker and audio systemSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2021·Application pending·0 cites
- 1241US12294847B2Tweeter and automobile audio systemSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2021·Granted May 6, 2025·0 cites·13 claims
- 1341US11290822B2High-pitched loudspeakerSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2018·Granted Mar 29, 2022·0 cites·9 claims
- 1440US2012269379A1Diaphragm used in a loudspeaker and a loudspeakerGAO PENG·Filed 2012·Application pending·0 cites
- 1539US10960803B2Automotive headrestSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2018·Granted Mar 30, 2021·0 cites·10 claims
- 1639US2022005345A1Pedestrian alert device for electric vehicleSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2019·Application pending·0 cites
- 1738US11279278B2Pedestrian warning device having grille coverSUZHOU SONAVOX ELECTRONICS CO LTD·Filed 2019·Granted Mar 22, 2022·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →