John P. Richards
5Patents
5h-index
4Co-inventors
52Inventor score
Filing activity: Dec 28, 1983 → Feb 4, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6223584A | System and method for vapor constituents analysis | Physics | 51 | Expired |
| US6530260B1 | Gas chromatography analysis system | Physics | 38 | Expired |
| US4623880A | Graphics display system and method having improved clipping technique | Physics | 37 | Expired |
| US6209386A | Electrically insulated gas chromatograph assembly and method of fabricating same | Physics | 21 | Expired |
| US6490852B1 | Electrically insulated gas chromatograph assembly and method of fabricating same | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.