John J. Simbal
12Patents
8h-index
17Co-inventors
69Inventor score
Filing activity: Aug 26, 1985 → Mar 12, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7163327B2 | Illumination system using a plurality of light sources | Electricity | 75 | Expired |
| US7329887B2 | Solid state light device | Physics | 39 | Expired |
| US7360924B2 | Illumination system using a plurality of light sources | Electricity | 39 | Active |
| US7658526B2 | Illumination system using a plurality of light sources | Electricity | 24 | Active |
| US6853772B2 | Fiber grating writing interferometer with continuous wavelength tuning and chirp capability | Physics | 24 | Expired |
| US7403680B2 | Reflective light coupler | Physics | 20 | Expired |
| US5087987A | Color-corrected telecentric scan lens | Physics | 20 | Expired |
| US6365061B1 | Multibeam laser servowriting of magnetic data storage media | Physics | 13 | Expired |
| US4688911A | Image mask for microfiche | Physics | 6 | Expired |
| US5481405A | Stepless micrographic zoom lens having large magnification ratio | Physics | 4 | Expired |
| US4682863A | Ultra-wide angle micrographic lens | Physics | 2 | Expired |
| US6808648B2 | Multibeam laser servowriting of magnetic data storage media | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.