John J. Williams
19Patents
9h-index
25Co-inventors
72Inventor score
Filing activity: Apr 3, 1992 → Jan 20, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5272344A | Automated coincidence timing calibration for a pet scanner | Human Necessities | 55 | Expired |
| US8077943B2 | Method and apparatus for aligning a multi-modality imaging system | Human Necessities | 31 | Active |
| US7129495B2 | Method and apparatus for timing calibration in a PET scanner | Physics | 31 | Expired |
| US6624422B2 | Method for dynamic stabilization of PET detector gains | Human Necessities | 25 | Expired |
| US7301144B2 | Method and system for calibrating a positron emission tomography system | Physics | 25 | Expired |
| US5378893A | Radiation event qualifier for positron emission tomography | Physics | 11 | Expired |
| US7227149B2 | Method and system for positron emission tomography image reconstruction | Physics | 11 | Expired |
| US7026621B2 | System and method for producing a detector position map | Physics | 9 | Expired |
| US6858850B2 | Method for dynamic stabilization of PET detector gains | Human Necessities | 9 | Expired |
| US6739751B2 | X-ray system alignment method and apparatus | Human Necessities | 7 | Expired |
| US7030382B2 | Crystal-based coincidence timing calibration method | Physics | 6 | Expired |
| US9779191B1 | Method for non-kinetic performance assessment | Physics | 6 | Active |
| US6852978B2 | Crystal-based coincidence timing calibration method | Physics | 5 | Expired |
| US5237179A | Apparatus for operation of a scintillation detector | Physics | 5 | Expired |
| US6803579B2 | Technique for removal of picket fence effect in PET imaging systems | Human Necessities | 5 | Expired |
| US9544326B2 | Digital weapons factory and digital operations center for producing, deploying, assessing, and managing digital defects | Electricity | 4 | Active |
| US9726460B2 | System and method for asymmetric missile defense | Physics | 3 | Active |
| US7132663B2 | Methods and apparatus for real-time error correction | Physics | 3 | Expired |
| US10068177B2 | Process of probabilistic multi-source multi-INT fusion benefit analysis | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.