Stephen Johnson
25Patents
14h-index
29Co-inventors
81Inventor score
Filing activity: Sep 5, 1978 → Mar 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5892847A | Method and apparatus for compressing images | Electricity | 217 | Expired |
| US6092124A | Method and apparatus for accelerating the rendering of images | Physics | 92 | Expired |
| US6072889A | Method and system for imaging target detection | Physics | 65 | Expired |
| US5499360A | Method for proximity searching with range testing and range adjustment | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6691180B2 | Apparatus for accelerating the rendering of images | Physics | 39 | Expired |
| US4427921A | Electrodeless ultraviolet light source | Electricity | 37 | Expired |
| US6453073B2 | Method for transferring and displaying compressed images | Electricity | 33 | Expired |
| US5438552A | Sonar system for identifying foreign objects | Physics | 25 | Expired |
| US4427923A | Electrodeless fluorescent light source | Electricity | 24 | Expired |
| USD925105S1 | Flat panel grow light | General | 21 | Active |
| US6282587A | Method and apparatus for accelerating the rendering of images | Physics | 19 | Expired |
| US4427922A | Electrodeless light source | Electricity | 18 | Expired |
| US5321667A | Sonar systems | Physics | 17 | Expired |
| US4379252A | Arc discharge device containing HG196 | Electricity | 15 | Expired |
| US7960037B2 | Carbon nanotube polymer composition and devices | Emerging Cross-Sectional Technologies | 14 | Active |
| US8579470B1 | LED illumination source with improved visual characteristics | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US4427924A | Enhanced electrodeless light source | Electricity | 11 | Expired |
| US4523795A | Discharge lamp operating apparatus and method | Electricity | 9 | Expired |
| US4530710A | Low-pressure arc discharge lamp having parallel discharge tubes with an arc-containing interconnecting channel; and method of manufacturing same | Chemistry; Metallurgy | 8 | Expired |
| USD302471S | Compact fluorescent lamp | General | 7 | Expired |
| US7321699B2 | Signal intensity range transformation apparatus and method | Physics | 5 | Expired |
| USD976467S1 | Six panel grow light | General | 2 | Active |
| US10044989B2 | Electronic patient sitter management system and method for implementing | Physics | 1 | Active |
| US8517567B1 | LED illumination source with improved visual characteristics | General | 0 | Revoked |
| US8324651B2 | Organic light emitting diodes with structured electrodes | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.