Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Eu — 5 Patents

INInphenix: 5 patents #1 of 5Top 20%
Fremont, CA: #3,106 of 9,298 inventorsTop 35%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Eu has been granted 5 US patents while listed as an inventor at Inphenix. The first was granted in 2015 and the most recent in May 2019. David Eu ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Eu in Fremont, CA, US.

Patents per Year

Patents granted per year, 2015 to 2019Bar chart with a peak of 2 patents in 2017.peak 22015: 1 patents20152017: 2 patents20172018: 1 patents20182019: 1 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10288870 Wavelength tunable MEMS-Fabry Perot filter Mohammad Ashfaq Kamal, Tongning Li, Qinian Qi 2019-05-14
10128637 Wavelength-tunable vertical cavity surface emitting laser for swept source optical coherence tomography system Toshihiko Makino, Tongning Li 2018-11-13
9762031 Wavelength-tunable vertical cavity surface emitting laser for swept source optical coherence tomography system Toshihiko Makino, Tongning Li 2017-09-12
9638913 Wavelength tunable MEMS-Fabry Perot filter Mohammad Ashfaq Kamal, Tongning Li, Qinian Qi 2017-05-02
9203215 Wavelength-tunable vertical cavity surface emitting laser for swept source optical coherence tomography system Toshihiko Makino, Tongning Li 2015-12-01