Average Co-Inventor Count = 2.20
ph-index = 4
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. Nextel Communications Inc. (4 from 226 patents)
2. Sprint Communications Comapny L.p. (3 from 3,841 patents)
3. Sprint Spectrum L.p. (2 from 2,246 patents)
9 patents:
1. 11102312 - Cross-channel unification of user identity
2. 10354251 - Assigning risk levels to electronic commerce transactions
3. 8509834 - Method and computer-readable medium for social circle push-to-talk service
4. 8494571 - Method and computer-readable medium for data object attachment and chained serial discussions with push-to-talk
5. 8462677 - Enabling communication between end points of different networks
6. 8458265 - Method and computer-readable medium for social network audio exchange with push-to-talk
7. 8254308 - Method and system for acoustically triggering electronic coupon retrieval
8. 8244290 - Method and computer-readable medium for data object attachment and chained serial discussions with push-to-talk
9. 7600690 - Method and system for tracking media access information on a portable device