Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11449858 | Management, authentication and activation of a data carrier | Stephan Rasch, Dirk Riesenbeck, Hans-Jürgen Roth | 2022-09-20 |
| 11341391 | Data carrier having two oscillating circuits | Stefan Kluge | 2022-05-24 |
| 11263302 | Transaction system | Stephan Rasch, Dirk Riesenbeck, Hans-Jürgen Roth | 2022-03-01 |
| 11023600 | Protection against a relay attack | Volker Stöhr | 2021-06-01 |
| 10249125 | Seal and method for testing a product for manipulation | Volker Stöhr, Ferdinand Burianek, Wilfried Rill, Carsten Bohn | 2019-04-02 |
| 10084461 | Method and security module for receiving two signals | Florian Pfeiffer | 2018-09-25 |
| 10074087 | Method for carrying out a transaction between a portable data carrier and a terminal | Wolfgang Rankl | 2018-09-11 |
| 9906247 | Method and security module for adaptation of a reference value for generation of a bit stream | Florian Pfeiffer | 2018-02-27 |
| 9851399 | Method and apparatus for checking a circuit | Michael Baldischweiler | 2017-12-26 |
| 9544021 | Apparatus for communicating with a portable data carrier | Rainer Schmidtke | 2017-01-10 |
| 9490970 | Methods and system for secure communication between an RFID tag and a reader | Walter Hinz, Martin Seysen | 2016-11-08 |
| 9450949 | Method for computer access control by means of mobile end device | Helmut Scherzer | 2016-09-20 |
| 9413428 | Transaction system | Wolfgang Rankl | 2016-08-09 |
| 9396372 | Method for monitoring a system comprising a number of readers and a plurality of portable communication units | Walter Hinz | 2016-07-19 |
| 9316674 | Method for checking an antenna coil | Michael Baldischweiler, Carsten Bohn | 2016-04-19 |
| 9277406 | Methods and system for secure communication between an RFID tag and a reader | Walter Hinz, Martin Seysen | 2016-03-01 |
| 9262654 | Reading device for contactless communication with a transponder unit | — | 2016-02-16 |
| 9204485 | Network node for a wireless sensor network | Katharina Schulz | 2015-12-01 |
| 9098734 | System and method for the presence recognition of a second portable data carrier by a first portable data carrier | Gisela Meister | 2015-08-04 |
| 8981900 | Method, portable data carrier, and system for releasing a transaction using an acceleration sensor to sense mechanical oscillations | Wolfgang Rankl | 2015-03-17 |
| 8866585 | Method for challenge response authentication between a reading device and a transponder using contactless data transmission | Gisela Meister, Dirk Wacker | 2014-10-21 |
| 8816827 | Data storage medium and method for contactless communication between the data storage medium and a reader | Karl Eglof Hartel, Denny Brandl | 2014-08-26 |
| 8797163 | Transponder unit | — | 2014-08-05 |
| 8766776 | Transponder unit | Rainer Schmidtke | 2014-07-01 |
| 8594567 | Controlled wireless charging of an accumulator in a chipcard | Werner Ness | 2013-11-26 |