Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Patrick D. Griffis — 14 Patents

RCRca: 8 patents #132 of 1,739Top 8%
DLDolby Laboratories Licensing: 6 patents #231 of 815Top 30%
DADolby International Ab: 1 patents #198 of 314Top 65%
Sunnyvale, CA: #1,971 of 14,302 inventorsTop 15%
California: #43,449 of 386,348 inventorsTop 15%
Overall (All Time): #345,002 of 4,157,543Top 9%
14 Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11010860 Transformation of dynamic metadata to support alternate tone rendering Raymond Yeung, Thaddeus Beier, Robin Atkins 2021-05-18
10937229 Surround ambient light sensing, processing and adjustment Timo Kunkel, Gregory John Ward 2021-03-02
10510134 Transformation of dynamic metadata to support alternate tone rendering Raymond Yeung, Thaddeus Beier, Robin Atkins 2019-12-17
10395421 Surround ambient light sensing, processing and adjustment Timo Kunkel, Gregory John Ward 2019-08-27
9916638 Transformation of dynamic metadata to support alternate tone rendering Raymond Yeung, Thaddeus Beier, Robin Atkins 2018-03-13
9094771 Method and system for upmixing audio to generate 3D audio Nicolas R. Tsingos, Charles Q. Robinson, Christophe Chabanne, Toni Hirvonen 2015-07-28
4511924 Frequency translation phase-locked loop for separate or intercarrier type television sound detection Abraham E. Rindal 1985-04-16
4479235 Switching arrangement for a stereophonic sound synthesizer 1984-10-23
4470070 Frequency translation phase-locked loop television sound detection system 1984-09-04
4405948 Volume control signal coupling circuit in an audio signal processing system 1983-09-20
4404429 Matching volume control characteristics for two channels 1983-09-13
4387413 Semiconductor apparatus with integral heat sink tab 1983-06-07
4254447 Integrated circuit heat dissipator 1981-03-03
4239939 Stereophonic sound synthesizer 1980-12-16