Inventor · Shanghai, CN

Jian Chen

25Patents
4h-index
22Co-inventors
55Inventor score

Filing activity: Feb 21, 2014 → Apr 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US9746331B1 Method and apparatus for map matching Physics 8 Active
US9864827B1 System and method for modeling electronic circuit designs Physics 5 Active
US9739888B2 Method, system and device for position determination with predicted ephemeris Physics 4 Active
US9715569B1 Methods, systems, and articles of manufacture for implementing an electronic design with disconnected field domains Emerging Cross-Sectional Technologies 4 Active
US9591458B2 Method and apparatus for adaptive positioning Electricity 3 Active
US10067237B1 Method and apparatus for geo-fence detection Physics 3 Active
US9642110B2 GPS and WLAN hybrid position determination Electricity 3 Active
US9197998B2 Method and system for positioning wireless device Electricity 3 Active
US9467965B2 Positioning data distribution applied to server-based positioning system Electricity 2 Active
US9237418B2 Positioning database management applied to server-based positioning system Electricity 2 Active
US11721083B2 X-ray imaging system and method Physics 1 Active
US9712976B1 Method and system for position updating using cached radio signal range Electricity 1 Active
USRE47926E1 Server-based positioning system architecture General 1 Active
US9743233B1 Method and apparatus for geo-fence monitoring Electricity 1 Active
US9357521B2 Determining an estimated location of a base station Physics 1 Active
US9521568B2 Wireless LAN device positioning Electricity 1 Active
USRE48160E1 Method and system for positioning wireless device General 1 Active
USRE48934E1 Wireless LAN device positioning General 1 Active
US9781572B2 Positioning database management applied to server-based positioning system Electricity 1 Active
US9578618B2 Server-based positioning system architecture Electricity 0 Active
US9872166B2 Apparatus and method for providing positioning data based on authentication result Electricity 0 Active
US10117258B2 Wireless channel redistribution method and apparatus Electricity 0 Active
US9699759B1 Method and device for detecting false movement of a mobile device Physics 0 Active
USRE47940E1 Positioning database management applied to server-based positioning system General 0 Active
US10310089B2 Method and apparatus for updating and providing satellite navigation message Physics 0 Active

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