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USPTO Patent Rankings Data through Dec 31, 2025
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John Freudenthal — 6 Patents

HIHinds Instruments: 5 patents #2 of 20Top 10%
Hillsboro, OR: #639 of 2,365 inventorsTop 30%
Oregon: #6,449 of 28,073 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John Freudenthal has been granted 6 US patents while listed as an inventor at Hinds Instruments. The first was granted in 2017 and the most recent in June 2023. John Freudenthal ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John Freudenthal in Hillsboro, OR, US.

Patents per Year

Patents granted per year, 2017 to 2023Bar chart with a peak of 2 patents in 2017.peak 22017: 2 patents20172019: 1 patents20192021: 1 patents20212022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11686957 Synchronous photoelastic modulator driving and detection — 2023-06-27
11307438 Universal cushion support for photoelastic modulator James C. Mansfield 2022-04-19
11054672 Dual transducer photoelastic modulator Baoliang Wang 2021-07-06
10168274 Polarization properties imaging systems Andy Leadbetter, Baoliang Wang 2019-01-01
9841372 Unambiguous retardance measurement Baoliang Wang 2017-12-12
9683930 Polarization properties imaging systems Andy Leadbetter, Baoliang Wang 2017-06-20

Frequent Collaborators

Baoliang Wang4 shared
Andy Leadbetter2 shared
James C. Mansfield1 shared

Nearby-Ranked Inventors

Aurélien Joulia6
Michael F. Vollero6
Stefano Fracassi6
Uwe Gruenbeck6
Alexander Matrosov6
Rouzbeh Behnia6
Carole Chapelat6
Mina Sedaghat6
Martinus Johannes Donatus Brakkee6