Inventor · disambiguated record
Kelvin Francis Griffiths
Also filed as: GRIFFITHS KELVIN · GRIFFITHS KELVIN FRANCIS
6 granted patents·2 pending applications·13 citations·filing 2014–2023
74Inventor score
Top patents by PatentIndex Score
8 records- 0185US10250994B2Force balanced micro transducer arrayDOLBY INT AB·Filed 2017·Granted Apr 2, 2019·8 cites·15 claims
- 0261US10536769B2Sealed pipe-loaded loudspeaker for improving low frequency response in portable devicesDOLBY INT AB·Filed 2017·Granted Jan 14, 2020·2 cites·8 claims
- 0357US12207060B2Transient multi-tone test signal and method for audio speakersDOLBY LABORATORIES LICENSING CORP·Filed 2021·Granted Jan 21, 2025·0 cites·11 claims
- 0452US11856382B2Acoustic transducer having drop ring connected at resonant nodeDOLBY LABORATORIES LICENSING CORP·Filed 2020·Granted Dec 26, 2023·0 cites·20 claims
- 0547US2025358382A1Non-planar beamformed loudspeaker for display devicesDOLBY LABORATORIES LICENSING CORP·Filed 2023·Application pending·0 cites
- 0640USD830329SSpeakerDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Oct 9, 2018·3 cites·1 claims
- 0738US2017048612A1Acoustical waveguideWOOX INNOVATIONS BELGIUM NV·Filed 2014·Application pending·0 cites
- 0828USD888007SSpeakerDOLBY LABORATORIES LICENSING CORP·Filed 2018·Granted Jun 23, 2020·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →