Frédéric Claptien
3Patents
2h-index
3Co-inventors
30Inventor score
Filing activity: Dec 14, 2015 → Apr 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9988546B2 | Colour pencil lead | Performing Operations; Transporting | 7 | Active |
| US10308063B2 | Paper pencil lead | Chemistry; Metallurgy | 5 | Active |
| US11072722B2 | Pencil lead | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.