Inventor · San Ramon, CA, US

Xuming Chen

71Patents
12h-index
88Co-inventors
87Inventor score

Filing activity: Oct 10, 1995 → Oct 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7120455B1 Method and system for mobile instant messaging using multiple interfaces Electricity 207 Expired
US7200390B1 Device software update transport and download Emerging Cross-Sectional Technologies 191 Expired
US7548756B2 Method and system for mobile instant messaging using multiple interfaces Electricity 85 Active
US8837449B2 Universal integrated circuit card updates in a hybrid network Electricity 34 Active
US7003307B1 System and method for a messaging gateway Electricity 33 Expired
US7092697B1 Method and system for reduced-latency prepaid mobile messaging Electricity 30 Expired
US5842210A Method and apparatus for selectively retrieving data from a database in a data communication system Emerging Cross-Sectional Technologies 24 Expired
US8903051B2 Returning calls to emergency callers without valid telephone numbers Electricity 20 Active
US5686901A System and method for queuing and batching messages for wireless transmission Electricity 16 Expired
US8515392B2 Self-subscription and self-reactivation to a network Electricity 16 Active
USD872020S1 Inverter General 15 Active
US8494522B2 Pico cell home mode operation Electricity 12 Active
USD872019S1 Inverter General 11 Active
US7603697B1 Method and system for securely delivering authentication-related data Electricity 11 Expired
US5778323A Method and apparatus for facilitating a recovery from a configuration error in a communication system Emerging Cross-Sectional Technologies 9 Expired
US8423653B2 Inter-layer parameter liaison systems and methods Electricity 7 Active
US8260258B1 Method of target provisioning for lawful intercept in IP multi-media service networks Electricity 7 Active
US8533369B2 Smart card driven device configuration changes Electricity 7 Active
US10287841B2 Packer for annular blowout preventer Mechanical Engineering; Lighting; Heating 6 Active
US9094829B2 Equipment identity registration Electricity 6 Active
US8780797B2 Universal integrated circuit card activation in a hybrid network Electricity 5 Active
USD953266S1 Inverter General 4 Active
US8219065B2 Management of CDMA credentials on a smart card Electricity 4 Active
US10233715B2 Packer assembly with multi-material inserts for blowout preventer Fixed Constructions 4 Active
US9924044B2 Recommendations based on real-time usage information Physics 4 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.