John Bartko
19Patents
10h-index
30Co-inventors
72Inventor score
Filing activity: Mar 9, 1973 → Oct 8, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5250388A | Production of highly conductive polymers for electronic circuits | Performing Operations; Transporting | 66 | Expired |
| US4056408A | Reducing the switching time of semiconductor devices by nuclear irradiation | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4278475A | Forming of contoured irradiated regions in materials such as semiconductor bodies by nuclear radiation | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5133901A | System and method for on-line monitoring and control of heavy metal contamination in soil washing process | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5539788A | Prompt gamma neutron activation analysis system | Physics | 21 | Expired |
| US4240844A | Reducing the switching time of semiconductor devices by neutron irradiation | Emerging Cross-Sectional Technologies | 14 | Expired |
| US3933527A | Fine tuning power diodes with irradiation | Electricity | 13 | Expired |
| US5414195A | System and method for on-line monitoring and control of heavy metal contamination in soil washing process | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4804514A | Method and apparatus for neutron dosimetry | Physics | 12 | Expired |
| US5038042A | High resolution scintillation counters | Physics | 12 | Expired |
| US4318750A | Method for radiation hardening semiconductor devices and integrated circuits to latch-up effects | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4278476A | Method of making ion implanted reverse-conducting thyristor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4311534A | Reducing the reverse recovery charge of thyristors by nuclear irradiation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4075037A | Tailoring of recovery charge in power diodes and thyristors by irradiation | Electricity | 6 | Expired |
| US4857259A | Neutron dosimeter | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4076555A | Irradiation for rapid turn-off reverse blocking diode thyristor | Electricity | 5 | Expired |
| US4881247A | Measuring nuclear fuel burnup | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4043755A | Method and apparatus for determining uranium concentration in a moving stream | Physics | 3 | Expired |
| US4357417A | High resolution lithography using protons or alpha particles | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.