John Williamson
14Patents
7h-index
13Co-inventors
63Inventor score
Filing activity: Jun 14, 1977 → Sep 28, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4142067A | Speech analyzer for analyzing frequency perturbations in a speech pattern to determine the emotional state of a person | Physics | 86 | Expired |
| US4093821A | Speech analyzer for analyzing pitch or frequency perturbations in individual speech pattern to determine the emotional state of the person | Physics | 85 | Expired |
| US8068121B2 | Manipulation of graphical objects on a display or a proxy device | Physics | 57 | Active |
| US9070229B2 | Manipulation of graphical objects | Physics | 37 | Active |
| US5280286A | Surveillance and identification system antennas | Electricity | 34 | Expired |
| US4335710A | Device for the induction of specific brain wave patterns | Human Necessities | 25 | Expired |
| US8314817B2 | Manipulation of graphical objects | Physics | 19 | Active |
| US4658237A | Intrusion alarm system for vehicles | Performing Operations; Transporting | 5 | Expired |
| US8259957B2 | Communication devices | Electricity | 2 | Active |
| US7671737B2 | Monitoring and notification apparatus | Physics | 0 | Active |
| US12085851B2 | Pressure sensor manifold with increased photocurable resistance | Electricity | 0 | Active |
| US11040366B2 | Dispenser shield with adjustable aperture to improve drop placement and residual layer thickness | Performing Operations; Transporting | 0 | Active |
| US8238582B2 | Sound playback and editing through physical interaction | Physics | 0 | Active |
| US10466840B2 | Apparatus, method and computer program for enabling a user to make user inputs | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.