EM Microelectronic-Marin SA
250Patents
169Active
250Granted
54Portfolio score
Filing activity: Apr 9, 1986 → Nov 7, 2023 · 39 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5895235A | Process for manufacturing transponders of small dimensions | Emerging Cross-Sectional Technologies | 282 | Expired |
| US4725924A | Electronic unit especially for microcircuit cards and card comprising such a unit | Emerging Cross-Sectional Technologies | 94 | Expired |
| US5862117A | Device, in particular a compact disc, comprising a data storage medium and an integrated circuit | Physics | 63 | Expired |
| US6462647B1 | Rechargeable active transponder | Physics | 55 | Expired |
| US4835846A | Method of manufacture of electronic modules for cards with microcircuits | Emerging Cross-Sectional Technologies | 49 | Expired |
| US9411992B1 | Protocol management method for a passive RF identification device which can harvest power from different power sources | Physics | 46 | Active |
| US7142815B2 | Adjustment of the detection, transmission and/or reception parameters of an RFID reader as a function of ambient electromagnetic noise | Physics | 45 | Expired |
| US6127989A | Monolithic integrated circuit and antenna coil structure comprising a peripheral protective ring | Electricity | 38 | Expired |
| US7026924B2 | System for detecting individuals or objects passing through an entrance-exit of a defined space | Physics | 38 | Expired |
| US6588661B2 | System and method for wireless communication between several transceivers, arranged respectively in several delimited spaces, and portable electronic units | Physics | 36 | Expired |
| US7325723B2 | System and method for detecting persons or objects in definite areas provided each with at least an entrance | Physics | 33 | Expired |
| US6127929A | Transponder for half-duplex communication | Physics | 26 | Expired |
| US5991182A | Active rectifier having minimal energy losses | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7957448B2 | Optoelectronic circuit with a photoreceptor and a laser diode, and module comprising the same | Electricity | 24 | Active |
| US6137273A | Circuit for supplying a high precision current to an external element | Physics | 22 | Expired |
| US9462623B2 | Method and system for optimized bluetooth low energy communications using dynamic broadcasting schedule | Emerging Cross-Sectional Technologies | 22 | Active |
| US9105871B2 | Method of manufacturing an OLED display device, the resulting OLED display device and a timepiece comprising the same | Electricity | 21 | Active |
| US5739669A | Electric battery management device | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4763309A | Programming arrangement for a non-volatile memory for a timepiece | Physics | 20 | Expired |
| US6191840A | Manufacturing method for electro-optical cells or electrochemical photovoltaic cells obtained from this method | Physics | 19 | Expired |
| US7098866B2 | Reader or transmitter and/or receiver comprising a shielded antenna | Electricity | 19 | Expired |
| US5825299A | Object identification system | Physics | 18 | Expired |
| US6225851A | Temperature level detection circuit | Physics | 17 | Expired |
| US6272320A | Base station for a contactless interrogation system comprising a phase locked and voltage controlled oscillator | Physics | 17 | Expired |
| US6011488A | Radio frequency interface device for a transponder | Electricity | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.