Philippe Levionnais
18Patents
5h-index
8Co-inventors
59Inventor score
Filing activity: Dec 18, 1989 → Mar 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6807410B1 | Electronic payment process and system for implementing this process | Physics | 100 | Expired |
| US5083013A | System for remote information interchange between a portable object and a station | Physics | 7 | Expired |
| US9088066B2 | Antenna for an NFC device | Electricity | 5 | Active |
| US5184001A | System for remote information interchange between a portable object and a station | Physics | 5 | Expired |
| US5818297A | Digital demodulator for a phase-modulated signal | Electricity | 5 | Expired |
| US8670801B2 | NFC for mobile telephone | Electricity | 4 | Active |
| US5734333A | Device with spectral purity for the remote exchange of information between a portable object and a station | Physics | 3 | Expired |
| US10728728B2 | Method and a device for managing contactless applications | Electricity | 3 | Active |
| US9491273B2 | Shell for mobile telephone with NFC functionality | Electricity | 3 | Active |
| US10693526B2 | Device and method for wireless communcation | Electricity | 2 | Active |
| US8761667B2 | Mobile telephone and NFC communication | Physics | 1 | Active |
| US9291703B2 | Method and a device for identifying the position of a transponder | Physics | 0 | Active |
| US10990770B2 | Portable object and NFC antenna thereof | Electricity | 0 | Active |
| US12141801B2 | Method and device for authenticating a user using the conductivity of the human body | Electricity | 0 | Active |
| US10833777B2 | Method of personalizing a secure transaction during a radio communication | Electricity | 0 | Active |
| US12224806B2 | Method and device for recognizing a user | Physics | 0 | Active |
| US12250543B2 | Method and device for supplying a terminal of a first user with a biometric signature of a second user | Electricity | 0 | Active |
| US11509402B2 | Method and system for recognizing a user during a radio communication via the human body | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.