Average Co-Inventor Count = 4.24
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Telia Ab (2 from 74 patents)
2. Telia Research Ab (1 from 4 patents)
3 patents:
1. 6088398 - Orthogonal frequency division multiplex systems
2. 6084871 - Method for synchronization of transmitter and receiver at mobile radio
3. 5909436 - Random access orthogonal frequency division multiplex system and method