Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TP

Thomas Parkinson — 4 Patents

DYDynapol: 2 patents #12 of 27Top 45%
IOIomed: 2 patents #7 of 26Top 30%
Palo Alto, CA: #4,176 of 9,675 inventorsTop 45%
California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,264,603 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6697668 Ocular iontophoretic device and method for using the same Malgorzata Szlek, Lindsay B. Lloyd 2004-02-24
6579276 Ocular iontophoretic device and method for inhibiting vascular endothelial growth factor (VEGF) using the same Lindsay B. Lloyd, Malgorzata Szlek 2003-06-17
4298595 Pharmaceutical preparations containing a polymeric agent for releasing 5-aminosalicylic acid or its salts into the gastrointestinal tract Joseph P. Brown, Robert E. Wingard, Jr. 1981-11-03
4190716 Polymeric agent for releasing 5-aminosalicylic acid or its salts into the gastrointestinal tract Joseph P. Brown, Robert E. Wingard, Jr. 1980-02-26