John Callf
4Patents
2h-index
6Co-inventors
37Inventor score
Filing activity: Dec 22, 2000 → Jan 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6610648B2 | Malodor counteractant compositions | Chemistry; Metallurgy | 15 | Expired |
| US7288507B2 | Malodor counteractant compounds | Chemistry; Metallurgy | 5 | Expired |
| US7332462B2 | Malodor counteractant compounds | Chemistry; Metallurgy | 2 | Active |
| US11484480B2 | Hair coloring composition comprising microcapsules | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.