David Henry Cushing
8Patents
7h-index
4Co-inventors
52Inventor score
Filing activity: Aug 4, 1989 → Oct 30, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4960310A | Broad band nonreflective neutral density filter | Physics | 96 | Expired |
| US5926317A | Multilayer thin film dielectric bandpass filter | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5615289A | Bandpass optical filter | Physics | 37 | Expired |
| US5719989A | Multilayer thin film bandpass filter | Physics | 28 | Expired |
| US5999322A | Multilayer thin film bandpass filter | Physics | 25 | Expired |
| US6018421A | Multilayer thin film bandpass filter | Physics | 24 | Expired |
| US6011652A | Multilayer thin film dielectric bandpass filter | Physics | 18 | Expired |
| US6322630A | Retractable coating dispenser and method | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.