Tracy Stephens
4Patents
3h-index
19Co-inventors
47Inventor score
Filing activity: Mar 23, 2001 → Feb 22, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6817222B2 | Method, apparatus and system for assessing hair condition | Physics | 13 | Expired |
| US8632611B2 | Hair colouring methods and compositions thereof | Human Necessities | 12 | Active |
| USD461132S1 | Hair color analyzer probe | General | 8 | Expired |
| US7431742B2 | Hair coloring kits and methods of use thereof | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.