Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YC

Yigang Cai

Alcatel Lucent: 173 patents #1 of 4,169Top 1%
NONokia Solutions And Networks Oy: 16 patents #47 of 1,934Top 3%
Nokia Technologies Oy: 14 patents #208 of 3,242Top 7%
ATAT&T: 13 patents #1,336 of 18,772Top 8%
NANokia Of America: 8 patents #2 of 257Top 1%
PGProvenance Asset Group: 2 patents #6 of 142Top 5%
WIWsou Investments: 1 patents #2 of 48Top 5%
Naperville, IL: #1 of 3,051 inventorsTop 1%
Illinois: #29 of 84,256 inventorsTop 1%
Overall (All Time): #2,623 of 4,157,543Top 1%
223 Patents All Time

Issued Patents All Time

Showing 101–125 of 223 patents

Patent #TitleCo-InventorsDate
9088440 Telecom information for web services that are provided by a telecom network Suzann Hua 2015-07-21
9077816 Local roaming charging in LTE/EPC networks Xiangyang Li 2015-07-07
9071448 Method and a system for transferring data related to a calling card function in telecommunications network, as well as a server, a computer program and a computer program product Xiangyang Li 2015-06-30
9036800 Billing for calls and routing of billing information in an internet protocol multimedia subsystem Chunguang Xu 2015-05-19
9032483 Authenticating a communication device and a user of the communication device in an IMS network Shiyan Hua 2015-05-12
9026076 Control of time limit triggers for offline charging Ranjan Sharma 2015-05-05
9026075 Session anchor timestamp for interim accounting requests Ranjan Sharma 2015-05-05
9014730 Device reachability in LTE networks for text messaging Shaumir Shah, Gyan Shanker 2015-04-21
9002327 Method and device for providing user equipment with voice messages Xiangyang Li 2015-04-07
8990917 Authentication of applications that access web services Alok Sharma 2015-03-24
8990586 Method for selectively exposing subscriber data Alok Sharma 2015-03-24
8990322 Archive control for text messages Shaumir Shah 2015-03-24
8977238 Interface between web applications for text messaging and packet-switched networks Gyan Shanker, Kris Nayak 2015-03-10
8965272 System and method for providing reoccurrence display of commercial mobile alert messages Suzann Hua 2015-02-24
8942668 Camel service charging in IMS networks David C. Harms, Bharat H. Patel, Angelica T. Remoquillo 2015-01-27
8942687 Selective call forwarding based on the location of a mobile device Xiangyang Li 2015-01-27
8935413 Delivery report for text messages in SIP communications Suzann Hua 2015-01-13
8935407 Providing supplemental content to an IMS user during registration Shiyan Hua 2015-01-13
8934862 Advice of charging (AoC) services in IMS networks Shiyan Hua 2015-01-13
8929256 Third party charging for SIP sessions Tienyu Chiu, Eric Harold Henrikson, E-Ling Lou, Bharat H. Patel 2015-01-06
8923899 Interface between restful web services and packet-switched networks for text messaging Gyan Shanker 2014-12-30
8886168 Selective first delivery attempt (FDA) processing for text messages Suzann Hua 2014-11-11
8861404 Storing access network information for an IMS user in a subscriber profile Alok Sharma 2014-10-14
8855689 Direct SMS message delivery over broadband data networks through an SMS-C Jay Bhatt, Gyan Shanker 2014-10-07
8855597 User equipment timestamps for offline charging in IMS networks 2014-10-07