James C. Johnson
68Patents
18h-index
33Co-inventors
84Inventor score
Filing activity: Jun 20, 1980 → Dec 4, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5463280A | Light emitting diode retrofit lamp | Emerging Cross-Sectional Technologies | 549 | Expired |
| US7452273B2 | Method and apparatus for providing advice regarding gaming strategies | Physics | 187 | Expired |
| US7566270B2 | System and method for wagering based on multiple financial market indicators | Physics | 158 | Expired |
| US5739639A | Method and apparatus for operating LED array and charging battery for emergency LED operation including DC boost circuit allowing series connection of LED array and battery | Electricity | 103 | Expired |
| US8186682B2 | Method and apparatus for providing advice regarding gaming strategies | Physics | 86 | Active |
| USD498240S1 | Graphic user interface for foreign currency exchange display | General | 67 | Expired |
| US5646502A | Emergency lighting circuit for shunt-regulated battery charging and lamp operation | Emerging Cross-Sectional Technologies | 59 | Expired |
| US8727352B2 | Method and apparatus for providing advice regarding gaming strategies | Physics | 56 | Active |
| US10096210B2 | Method and apparatus for providing advice regarding gaming strategies | Physics | 54 | Active |
| US9536396B2 | Method and apparatus for providing advice regarding gaming strategies | Physics | 51 | Active |
| US8498994B2 | Social files | Electricity | 40 | Active |
| USD519570S1 | Graphic user interface for wagering based on multiple financial market indicators | General | 38 | Expired |
| US5202608A | Emergency lighting system utilizing improved and rapidly installable fluorescent inverter | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7979339B2 | System and method for optimizing execution of trading orders | Physics | 21 | Active |
| US8756221B2 | Social files | Electricity | 21 | Active |
| US8723427B2 | Systems and methods for LED control using on-board intelligence | Electricity | 20 | Active |
| US8758108B2 | System and method for slot machine game associated with market line wagers | Physics | 19 | Active |
| US6703795B2 | Auxiliary controller | Electricity | 18 | Expired |
| US8684814B2 | System and method for slot machine game associated with financial market indicators | Physics | 17 | Active |
| US9230407B2 | System and method for wagering based on multiple financial market indicators | Physics | 15 | Active |
| US4417631A | Zero tracking circuit for electronic weighing scale | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4392390A | Shielding apparatus for linear actuator | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4337417A | Starting and operating apparatus for high-pressure sodium lamps | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9703815B2 | Third party files in an on-demand database service | Physics | 11 | Active |
| US9171180B2 | Social files | Electricity | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.