M. Derek Patton
4Patents
2h-index
9Co-inventors
30Inventor score
Filing activity: May 12, 2004 → Aug 31, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7192131B2 | Filter element carrier, filter, ink pen | Performing Operations; Transporting | 4 | Expired |
| US7221889B2 | Replaceable developer roller | Physics | 3 | Expired |
| US7278720B2 | Ink cartridge with multiple chambers aligned along an axial length | Performing Operations; Transporting | 2 | Expired |
| US7771030B2 | Ink cartridge with multiple chambers aligned along an axial length | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.