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USPTO Patent Rankings Data through Dec 31, 2025
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David Johnson — 76 Patents

ZOZon: 52 patents #1 of 2Top 50%
USUSDA: 8 patents #82 of 2,828Top 3%
LSLitton Systems: 3 patents #157 of 838Top 20%
BGBarnes Group: 2 patents #26 of 100Top 30%
SISimbex: 2 patents #3 of 20Top 15%
UPUtc Power: 2 patents #33 of 141Top 25%
WBWaukesha Bearings: 1 patents #12 of 21Top 60%
Motorola: 1 patents #9,634 of 14,142Top 70%
San Francisco, CA: #221 of 26,999 inventorsTop 1%
California: #3,799 of 386,348 inventorsTop 1%
Overall (All Time): #24,882 of 4,157,543Top 1%
76 Patents All Time
David Johnson has been granted 76 US patents while listed as an inventor at Zon. The first was granted in 1983 and the most recent in November 2025. David Johnson ranks #24,882 of 4,157,543 US inventors in our database (top 0.60%). Patent records list David Johnson in San Francisco, CA, US.

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12470379 Link encryption and key diversification on a hardware security module Alexandre BERZATI, Loïc Bonizec, Dmitry Ryumkin 2025-11-11
11879447 Composite structures for reciprocating gas compressor systems Jie Zhou 2024-01-23 $84,524,000
11499599 Electromechanical spring system Jack W. Adoline, Adrian A. Vine, Phillip A. McConnell 2022-11-15 $12,457,000
D927845 Umbrella with solar panels Sarah Akin 2021-08-17
11083259 Solar-powered charging umbrella with USB ports Sarah Akin 2021-08-10
D925903 Umbrella with solar panels Sarah Akin 2021-07-27
D925902 Umbrella with solar panels Sarah Akin 2021-07-27
10935096 Electromechanical spring system Jack W. Adoline, Adrian A. Vine, Phillip A. McConnell 2021-03-02 $34,890,000
D907355 Umbrella with solar panels Sarah Akin 2021-01-12
D902577 Umbrella with solar panels Sarah Akin 2020-11-24
D899068 Umbrella with solar panels Sarah Akin 2020-10-20
10772401 Solar power conversion kit for umbrella Sarah Akin 2020-09-15
10764201 System and method for scheduling communications David Verbree, Brian Douglas, Nicholas VanderStel, Andrew DeZeeuw, Juan Morales +2 more 2020-09-01
D891078 Umbrella with solar panels Sarah Akin 2020-07-28
D889818 Umbrella with solar panels Sarah Akin 2020-07-14
D880841 Umbrella with solar panels Sarah Akin 2020-04-14
D876805 Umbrella with solar panels Sarah Akin 2020-03-03
D875384 Umbrella with solar panels Sarah Akin 2020-02-18
10506854 Solar-powered charging umbrella with USB ports Sarah Akin 2019-12-17
D851389 Umbrella cap Sarah Akin 2019-06-18
D850093 Umbrella with solar panels Sarah Akin 2019-06-04
10292467 Solar-powered charging umbrella with USB ports Sarah Akin 2019-05-21
D848140 Umbrella with solar panels Sarah Akin 2019-05-14
10285477 Solar power conversion kit for umbrella Sarah Akin 2019-05-14
D840671 Umbrella with solar panels Sarah Akin 2019-02-19

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