Inventor · Lexington, MA, US

William S. Passman

13Patents
12h-index
12Co-inventors
75Inventor score

Filing activity: Mar 6, 1980 → Feb 27, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6711409B1 Node belonging to multiple clusters in an ad hoc wireless network Electricity 103 Expired
US6636256B1 Video communication system Physics 82 Expired
US6671819B1 System and methods routing packets on alterate paths Electricity 58 Expired
US4333149A Microprocessor-based state of charge gauge for secondary batteries Physics 53 Expired
US6493759B1 Cluster head resignation to improve routing in mobile communication systems Electricity 47 Expired
US6973053B1 Using direct cluster member to cluster member links to improve performance in mobile communication systems Emerging Cross-Sectional Technologies 40 Expired
US7180884B2 Method and apparatus for varying the rate at which broadcast beacons are transmitted Electricity 33 Expired
US6662229B2 Cluster head resignation to improve routing in mobile communication systems Electricity 32 Expired
US6977937B1 Radio network routing apparatus Electricity 32 Expired
US6922395B1 System and method for testing protocols for ad hoc networks Electricity 22 Expired
US6427944B1 Systems and methods for using airborne communication nodes Performing Operations; Transporting 16 Expired
US6420977B1 Video-monitoring safety systems and methods Electricity 15 Expired
US6389194B1 Method and apparatus for coupling fiber optic cables Physics 8 Expired

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