Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8805814 | Methods and systems for searching databases and displaying search results | Jaco Zijlstra, Spencer De Groot, Robbertjan Kalff, Usbrand Jan Aalbersberg | 2014-08-12 |
| 8489630 | Methods and software for analysis of research publications | Darin McBeath, Stephan Stipdonk, Robbertjan Kalff, IJsbrand Jan Aalbersberg | 2013-07-16 |
| 7930295 | Methods and software for analysis of research publications | Darin McBeath, Stephan Stipdonk, Robbert Jan Kalff, Usbrand Jan Aalbersberg | 2011-04-19 |
| 7783619 | Methods and software for analysis of research publications | Darin McBeath, Stephan Stipdonk, Robbertjan Kalff, IJsbrand Jan Aalbersberg | 2010-08-24 |