Timothy Butler
5Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: Aug 3, 1989 → May 12, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4991637A | Trimmer apparatus and method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7531377B2 | Optical device | Electricity | 5 | Expired |
| US6800498B2 | Method of producing an organic light-emissive device | Electricity | 4 | Expired |
| US7989255B2 | Optical device | Electricity | 4 | Active |
| US7944139B2 | Light emitting device | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.