David Keirs
2Patents
2h-index
5Co-inventors
33Inventor score
Filing activity: Jul 20, 1992 → Apr 19, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5279654A | Phthalocyanine pigment compositions | Chemistry; Metallurgy | 25 | Expired |
| US6306938A | Production process | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.