Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Li Yan | Heraeus Precious Metals North America Conshohocken | 23 |
| 2 | Hansong Cheng | Air Products And Chemicals | 18 |
Part of Pennsylvania
41 patents · 2 inventors
Ranked #26,893 of 111,555 cities Top 25%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Li Yan | Heraeus Precious Metals North America Conshohocken | 23 |
| 2 | Hansong Cheng | Air Products And Chemicals | 18 |
Part of Pennsylvania