John I. Upshur
3Patents
2h-index
6Co-inventors
37Inventor score
Filing activity: Apr 26, 1990 → Nov 22, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5889821A | Low noise front-end blanking and interleaving for satellite reception in pulsed interference environments | Electricity | 51 | Expired |
| US5119050A | Low loss 360 degree X-band analog phase shifter | Electricity | 14 | Expired |
| US6337610B1 | Asymmetric response bandpass filter having resonators with minimum couplings | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.