James K. Walker
23Patents
9h-index
17Co-inventors
72Inventor score
Filing activity: Sep 6, 1988 → Jul 16, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5308986A | High efficiency, high resolution, real-time radiographic imaging system | Physics | 80 | Expired |
| US6115523A | Plastic optical fiber airway imaging system | Human Necessities | 66 | Expired |
| US5606638A | Organic scintillator systems and optical fibers containing polycyclic aromatic compounds | Physics | 56 | Expired |
| US5420959A | High efficiency, high resolution, real-time radiographic imaging system | Physics | 51 | Expired |
| US6267915A | Production method for objects with radially-varying properties | Performing Operations; Transporting | 29 | Expired |
| US5881195A | Image guide comprising a plurality of gradient-index optical fibers | Physics | 29 | Expired |
| US5110500A | Polysiloxane scintillator composition | Physics | 19 | Expired |
| US6892011B2 | Method and apparatus for fabrication of plastic fiber optic block materials and large flat panel displays | Performing Operations; Transporting | 16 | Expired |
| US6158888A | Materials and methods for improved radiography | Physics | 11 | Expired |
| US5751787A | Materials and methods for improved radiography | Physics | 8 | Expired |
| US8519435B2 | Flexible photovoltaic cells having a polyimide material layer and method of producing same | Emerging Cross-Sectional Technologies | 7 | Active |
| US5010833A | Edge detector for felling folder and method | Textiles; Paper | 6 | Expired |
| US10960988B2 | Delivery landing pads for unmanned aerial vehicles (UAVs) | Emerging Cross-Sectional Technologies | 5 | Active |
| US8993968B2 | Materials, method, and apparatus for detecting neutrons and ionizing radiation | Chemistry; Metallurgy | 2 | Active |
| US9759821B2 | Scintillating organic materials and methods for detecting neutron and gamma radiation | Physics | 2 | Active |
| US9360567B2 | Scintillating organic materials and methods for detecting neutron and gamma radiation | Chemistry; Metallurgy | 1 | Active |
| US9657220B2 | Scintillating material composition to provide high light output | Physics | 1 | Active |
| US9091766B2 | Method and apparatus for neutron detection utilizing Pulse Height Discrimination and Pulse Shape Discrimination | Physics | 1 | Active |
| US7135133B2 | Method and apparatus for manufacturing plastic optical transmission medium | Performing Operations; Transporting | 1 | Expired |
| US9885793B2 | Method and apparatus for neutron detection utilizing pulse height discrimination and pulse shape discrimination | Physics | 0 | Active |
| US9772411B2 | Method and apparatus for neutron detection utilizing pulse height discrimination and pulse shape discrimination | Physics | 0 | Active |
| US10662373B2 | Scintillating material composition to provide high light output | Physics | 0 | Active |
| US9897706B2 | Materials, method, and apparatus for detecting neutrons and ionizing radiation | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.