Average Co-Inventor Count = 1.59
ph-index = 2
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. Sony Corporation (6 from 58,130 patents)
2. Sony Mobile Communications Ab (5 from 458 patents)
3. Telefonaktiebolaget Lm Ericsson (publ) (1 from 25,721 patents)
4. Sony Ericsson Mobile Communications Ab (1 from 1,101 patents)
5. Sony Mobile Communications Inc. (729 patents)
8 patents:
1. RE47487 - Network-based service access for wireless communication devices
2. 9002744 - Methods, systems and computer program products for determining usage rights for digital content based on characterizing information thereof and related devices
3. 8914463 - Network-based service access for wireless communication devices
4. 8849913 - Method and system for triggering activation of IMS applications on a mobile radio terminal
5. 8606251 - Mobile terminals, methods and computer program products incorporating podcast link activation control
6. 8395584 - Mobile terminals including multiple user interfaces on different faces thereof configured to be used in tandem and related methods of operation
7. 7697941 - Updating presence in a wireless communications device
8. 7606588 - Hierarchical point-to-multipoint group communications between multiple active communication groups