Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8310959 | Voice Communication with any of multiple terminals | Markku Helin, Arto Keskiniva | 2012-11-13 |
| 7855965 | Packet network telecommunication system | Arto Keskiniva, Jouni Purontaus | 2010-12-21 |
| 7664025 | Packet network telecommunication system | Arto Keskiniva, Jouni Purontaus | 2010-02-16 |
| 7522578 | Packet network telecommunication system | Arto Keskiniva, Jouni Purontaus | 2009-04-21 |