Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PH

Phillip Hendrickson — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
TKTokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
Basel, CH: #575 of 1,913 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Phillip Hendrickson has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in December 1995. Phillip Hendrickson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Phillip Hendrickson in Basel, CH.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5475451 Ophthalmologic apparatus Yves Robert, Franz Papritz 1995-12-12
4662731 Apparatus for examination of the innermost part of an eye Yves Robert 1987-05-05
4200376 Fluorescent ophthalmoscopic photographing apparatus Masaya Takeuchi 1980-04-29