Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7329829 | Optical cable unit | Tom Harald Birkeland, Tom Eirik Toften, Per Arne Osborg, Vegard B Larsen | 2008-02-12 |
| 6714709 | Optical submarine cable | Tom Harald Birkeland, Tom Eirik Toften | 2004-03-30 |
| 5362921 | Flexible subsea line | Ove S. Birkelund | 1994-11-08 |