Matthew Johnson
11Patents
4h-index
16Co-inventors
57Inventor score
Filing activity: Feb 21, 1992 → May 4, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5303262A | Method and apparatus for triggering measurements from a TDMA signal | Electricity | 20 | Expired |
| US7748545B2 | Method and apparatus for retaining gas cylinders | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8806600B2 | Method and system for verifying an access request | Physics | 6 | Active |
| US8898799B2 | Method and system for establishing trust between a service provider and a client of the service provider | Electricity | 6 | Active |
| US7877311B1 | System and method for analyzing transactions at an electronic exchange | Physics | 3 | Expired |
| US10929524B2 | Method and system for verifying an access request | Physics | 1 | Active |
| US11710361B2 | Enhanced authorization to access transportation hub services | Electricity | 0 | Active |
| US11941933B2 | Enhanced access control | Electricity | 0 | Active |
| US10282541B2 | Method and system for verifying an access request | Physics | 0 | Active |
| US9830447B2 | Method and system for verifying an access request | Physics | 0 | Active |
| US9291787B2 | Integrated distribution enabling access apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.