Philip Michael Coath
6Patents
4h-index
9Co-inventors
50Inventor score
Filing activity: Jul 22, 1986 → Sep 20, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5418645A | Endoscopic zoom lens | Physics | 21 | Expired |
| USD662586S1 | Mouthpiece for use with endoscope | General | 19 | Active |
| USD310563S | Storage case for medical instrument | General | 13 | Expired |
| US6100972A | Digital measuring scope with thermal compensation | Physics | 8 | Expired |
| US6508761B1 | Monocular borescope or endoscope with offset mask | Physics | 4 | Expired |
| US5818648A | Optical instrument with an anti-backlash focusing mechanism | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.