Donald Simpson
5Patents
3h-index
26Co-inventors
53Inventor score
Filing activity: Mar 28, 1990 → Dec 18, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6893650B1 | N2-phenylamidine derivatives | Chemistry; Metallurgy | 15 | Expired |
| US5096915A | Azole fungicides | Human Necessities | 7 | Expired |
| US6030977A | Fungicide salts | Chemistry; Metallurgy | 6 | Expired |
| US7667036B2 | Pyrazolo[1,5-a]pyrimidine derivatives | Human Necessities | 2 | Expired |
| US8329704B2 | Substituted pyrazinone derivatives for use in MCH-1 mediated diseases | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.