Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6556593 | Digital cross connect and add/drop multiplexing device for SDH or SONET signals | Andreas Herkersdorf, Harmen Van As | 2003-04-29 |
| 6058119 | SDH/sonet interface | Antonius Engbersen, Andreas Herkersdorf, Hans Rudolf Schindler | 2000-05-02 |
| 5636164 | Gate array for accelerating access to a random access memory | Harmen Van As, Hans Rudolf Schindler | 1997-06-03 |
| 5515265 | Apparatus for determining the optimal value of a control parameter | Harmen Van As, Hans Rudolf Schindler | 1996-05-07 |
| 5327428 | Collision-free insertion and removal of circuit-switched channels in a packet-switched transmission structure | Harmen Van As, Erwin A. Zurfluh | 1994-07-05 |
| 5276682 | Medium access technique for LAN systems | Harmen Van As | 1994-01-04 |
| 5214649 | Insert/remove signalling in LAN systems | Harmen Van As, Erwin A. Zurfluh | 1993-05-25 |