Mark Thomas Johnson
248Patents
21h-index
276Co-inventors
93Inventor score
Filing activity: Jun 20, 1989 → Jun 3, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6806857B2 | Display device | Physics | 191 | Expired |
| US8300006B2 | Electrophoretic display unit | Physics | 179 | Active |
| US7423617B2 | Light emissive element having pixel sensing circuit | Physics | 138 | Expired |
| US7205983B2 | Touch sensitive display device | Physics | 66 | Expired |
| US7632265B2 | Radio frequency ablation servo catheter and method | Human Necessities | 51 | Active |
| US7839381B2 | Driving method for an electrophoretic display with accurate greyscale and minimized average power consumption | Physics | 49 | Active |
| US7804483B2 | Electrophoretic display with rapid drawing mode waveform | Physics | 45 | Active |
| US6364095B1 | Modular conveyor system with side flexing belt having roller support | Performing Operations; Transporting | 39 | Expired |
| US7564433B2 | Active matrix display devices | Physics | 37 | Expired |
| US7800580B2 | Transition between grayscale and monochrome addressing of an electrophoretic display | Physics | 36 | Active |
| US7314132B2 | Rodless conveyor belt or chain | Performing Operations; Transporting | 34 | Expired |
| US10575780B2 | Measuring of a physiological parameter using a wearable sensor | Human Necessities | 33 | Active |
| US8663133B2 | Portable system for assisting body movement | Human Necessities | 31 | Active |
| US8551084B2 | Radio frequency ablation servo catheter and method | Human Necessities | 30 | Active |
| US6304254A | Display device | Physics | 25 | Expired |
| US6424330B1 | Electro-optic display device with DC offset correction | Physics | 25 | Expired |
| US7397597B2 | Electrophoretic display panel | Physics | 23 | Expired |
| US6585110B2 | Modular conveyor system with side flexing belt having roller support | Performing Operations; Transporting | 22 | Expired |
| US7215313B2 | Two sided display device | Physics | 22 | Expired |
| US7250933B2 | Electrophoretic display device | Physics | 22 | Expired |
| USD914721S1 | Display screen with a graphical user interface | General | 21 | Active |
| US6583837B1 | Liquid crystal display device including pixel electrodes with slits and protrusion between common electrode and alignment film | Physics | 19 | Expired |
| US11304557B2 | Consumable recognition system, set of consumables and beverage dispenser | Performing Operations; Transporting | 19 | Active |
| US9782130B2 | Robotic surgical system | Human Necessities | 18 | Active |
| USD874474S1 | Display screen with graphical user interface | General | 18 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.