David A. Keefer
2Patents
1h-index
2Co-inventors
27Inventor score
Filing activity: Oct 26, 1998 → Dec 2, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6690489B1 | Color conversion acceleration using lookup tables | Electricity | 10 | Expired |
| US6778294B1 | Palette color cache | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.