Robert Campbell
17Patents
12h-index
17Co-inventors
75Inventor score
Filing activity: May 12, 1978 → Sep 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6859197B2 | Universal remote control with display and printer | Physics | 95 | Expired |
| US7831930B2 | System and method for displaying a user interface for a remote control application | Electricity | 83 | Active |
| US6223348A | Universal remote control system | Electricity | 83 | Expired |
| US6147677A | Sensing and control devices using pressure sensitive resistive elements | Physics | 32 | Expired |
| US6657679B2 | Universal remote control system | Electricity | 27 | Expired |
| US8259153B1 | Video phone kiosk with attractor and proximity sensing | Electricity | 27 | Active |
| US6968570B2 | Universal remote control system | Electricity | 24 | Expired |
| US7142127B2 | Universal remote control system | Electricity | 22 | Expired |
| US7010805B2 | Universal remote control system | Electricity | 21 | Expired |
| US7268694B2 | Universal remote control system | Electricity | 19 | Expired |
| US7281262B2 | Universal remote control system | Electricity | 17 | Expired |
| US4265021A | Distance measuring instrument | Physics | 12 | Expired |
| US4556762A | Universal adjustable telephone handset holder | Electricity | 6 | Expired |
| US4250900A | Cigarette filter holders with optional snorkel bypass accessory | Human Necessities | 4 | Expired |
| US8994771B2 | Video phone kiosk with attractor and proximity sensing | Electricity | 1 | Active |
| US9085949B2 | Fluid seal with swellable material packing | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12077607B2 | Functional and therapeutic effects of PAR4 cleavage by cathepsin G | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.