John A. Rowlands
16Patents
7h-index
20Co-inventors
66Inventor score
Filing activity: Jan 31, 1997 → Aug 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7323692B2 | Flat-panel detector with avalanche gain | Physics | 133 | Expired |
| US5962856A | Active matrix X-ray imaging array | Electricity | 95 | Expired |
| US7245698B2 | 4-dimensional digital tomosynthesis and its applications in radiation therapy | Human Necessities | 46 | Expired |
| US7030386B2 | High quantum efficiency x-ray detector for portal imaging | Physics | 33 | Expired |
| US6172369A | Flat panel detector for radiation imaging with reduced trapped charges | Electricity | 17 | Expired |
| US6052432A | Method of generating multiple x-ray images of an object from a single x-ray exposure | Electricity | 9 | Expired |
| US5847499A | Apparatus for generating multiple X-ray images of an object from a single X-ray exposure | Electricity | 8 | Expired |
| US7297914B2 | Cerenkov x-ray detector for portal imaging | Physics | 6 | Active |
| US8253212B2 | Photodetector/imaging device with avalanche gain | Electricity | 5 | Active |
| US7687792B2 | X-ray light valve based digital radiographic imaging systems | Physics | 4 | Active |
| US7205548B2 | High quantum efficiency x-ray detector for portal imaging | Physics | 2 | Expired |
| US9660115B2 | Nano-electrode multi-well high-gain avalanche rushing photoconductor | Electricity | 2 | Active |
| US11460590B2 | Dual-screen digital radiography with asymmetric reflective screens | Physics | 2 | Active |
| US9348038B2 | Systems and methods for resetting photoconductive x-ray imaging detectors | Human Necessities | 1 | Active |
| US9941428B2 | Nano-electrode multi-well high-gain avalanche rushing photoconductor | Electricity | 0 | Active |
| US12025757B2 | Dual-screen digital radiography with asymmetric reflective screens | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.