Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9985735 | Broadcast near field communication to mobile device | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2018-05-29 |
| 9883381 | Providing secure access to smart card applications | Robin D. Katzer, Kevin Zhu | 2018-01-30 |
| 8954834 | System for communicating information to a mobile device using portable code widgets | John M. Everson, Erich J. Izdepski, Wing K. Lee, Sei Y. Ng, M. Jeffrey Stone | 2015-02-10 |
| 8689012 | Diagnostics for secure elements in a mobile device | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2014-04-01 |
| 8255159 | Transit payment and handset navigation integration | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2012-08-28 |
| 8225997 | Single transit card to multiple rider trip methods and architecture | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2012-07-24 |
| 8181867 | Transit card credit authorization | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2012-05-22 |
| 8126769 | Transit card state sequence self-help correction | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2012-02-28 |
| 8036646 | Right-sized multimedia content distribution over a cellular network | Jason R. Delker, Robin D. Katzer, Brian D. Mauer, Sei Y. Ng, M. Jeffrey Stone | 2011-10-11 |
| 8036690 | Download prioritization for intelligent content distribution | Jason R. Delker, Robin D. Katzer, Brian D. Mauer, Sei Y. Ng, M. Jeffrey Stone | 2011-10-11 |
| 7832634 | Customer care intelligent routing | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2010-11-16 |
| 7797248 | Automated confirmation of transit card fund replenishment | Christopher J. Bierbaum, Robin D. Katzer, Kevin Zhu | 2010-09-14 |