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

Philip Parsonage

IRInternational Rectifier: 1 patents #252 of 432Top 60%
Infineon Technologies Ag: 1 patents #94 of 184Top 55%
Penarth, GB: #9 of 36 inventorsTop 25%
Overall (All Time): #1,505,810 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9318355 Power semiconductor device with a double metal contact Robert Montgomery, Hugo Burke, Susan Johns, David Paul Jones 2016-04-19
8791525 Power semiconductor device including a double metal contact Robert Montgomery, Hugo Burke, Susan Johns, David Paul Jones 2014-07-29
4643822 Method of separation of material from material mixtures 1987-02-17