Ivan Richards
3Patents
2h-index
13Co-inventors
34Inventor score
Filing activity: Oct 25, 2002 → Mar 8, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6890920B2 | Quaternary ammonium compounds | Chemistry; Metallurgy | 15 | Expired |
| US6951950B2 | Quaternary ammonium compounds | Human Necessities | 4 | Expired |
| US7439397B2 | Phenol derivative | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.