Robert Michael Johnson
74Patents
18h-index
80Co-inventors
87Inventor score
Filing activity: Jan 4, 1988 → Oct 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5164652A | Method and apparatus for determining battery type and modifying operating characteristics | Emerging Cross-Sectional Technologies | 660 | Expired |
| US5237257A | Method and apparatus for determining battery type and modifying operating characteristics | Emerging Cross-Sectional Technologies | 124 | Expired |
| US4868576A | Extendable antenna for portable cellular telephones with ground radiator | Electricity | 112 | Expired |
| US5014346A | Rotatable contactless antenna coupler and antenna | Electricity | 106 | Expired |
| US5028859A | Multiple battery, multiple rate battery charger | Emerging Cross-Sectional Technologies | 89 | Expired |
| US5428836A | Radio receiver for forming a baseband signal of time-varying frequencies | Electricity | 45 | Expired |
| US6492792B1 | Battery trickle charging circuit | Electricity | 41 | Expired |
| US7154468B2 | Method and apparatus for image optimization in backlit displays | Physics | 40 | Expired |
| US5321847A | Apparatus and method for detecting intermodulation distortion in a radio frequency receiver | Electricity | 33 | Expired |
| US5511235A | Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor | Electricity | 32 | Expired |
| US7282891B2 | Method for charging a battery | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6927555B2 | Sleep mode batteries in electronics devices and methods therefor | Electricity | 27 | Expired |
| US9378049B1 | Servicing I/O requests in an I/O adapter device | Physics | 24 | Active |
| US5900829A | Method of and apparatus for detecting key actuations | Electricity | 24 | Expired |
| US6381477B1 | Method and apparatus for protecting a circuit module in a communication device | Electricity | 22 | Expired |
| US5017856A | Battery charging system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US10223317B2 | Configurable logic platform | Physics | 21 | Active |
| US11316733B1 | Client configurable hardware logic and corresponding signature | Physics | 20 | Active |
| US6298224A | Multiple frequency band receiver | Electricity | 17 | Expired |
| US9864538B1 | Data size reduction | Physics | 17 | Active |
| US8667303B2 | Peripheral authentication | Emerging Cross-Sectional Technologies | 15 | Active |
| US10203967B1 | Client configurable hardware logic and corresponding data | Physics | 14 | Active |
| US5747970A | Battery charger charging time control | Emerging Cross-Sectional Technologies | 12 | Expired |
| US9940284B1 | Streaming interconnect architecture | Physics | 12 | Active |
| US6667606B2 | Power regulation and thermal management circuit | Electricity | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.