Ralph Johnson
10Patents
6h-index
7Co-inventors
59Inventor score
Filing activity: Dec 31, 1981 → Dec 7, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6795250B2 | Lenticular lens array | Physics | 49 | Expired |
| US4419692A | High speed infrared imaging system | Electricity | 48 | Expired |
| US6567788B1 | Programmed logistic system and method for transportation and reception of commodities | Physics | 34 | Expired |
| US6625376B2 | Fiber-optic cable terminal connector and alignment device and method | Physics | 11 | Expired |
| US6963678B2 | Electro-optical transducer with multi-reflector beam-expanding and collimating input/output device | Physics | 11 | Expired |
| US5910659A | Flat panel thermal infrared generator | Electricity | 8 | Expired |
| US6600855B2 | Reflection suppression in multiple-reflector collimation system | Physics | 6 | Expired |
| US6741395B1 | Elliptically-shaped tool | Emerging Cross-Sectional Technologies | 5 | Expired |
| USD772674S1 | Broadhead sharpening tool | General | 5 | Active |
| US6833961B2 | Pseudo elliptically-shaped tool | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.