Inventor · Barrington, IL, US

James E. Mathis

22Patents
11h-index
40Co-inventors
75Inventor score

Filing activity: Jun 6, 1990 → May 9, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US8270972B2 Method and apparatus for detecting an alternate wireless communication network Electricity 228 Active
US6993327B2 Multicast distribution of presence information for an instant messaging system Electricity 224 Expired
US5459458A Virtual pager for general purpose data terminal Electricity 201 Expired
US6141347A Wireless communication system incorporating multicast addressing and method for use Electricity 165 Expired
US6798755B2 Apparatus and method for controlling and managing individual directed sessions in a communications system Electricity 144 Expired
US5150464A Local area network device startup process Electricity 142 Expired
US6269254A Radio communications device and method with API between user application program and telephony program and method Electricity 74 Expired
US7366780B2 System and method for controlling and managing sessions between endpoints in a communications system Emerging Cross-Sectional Technologies 43 Expired
US5759120A Multi-function golfer's tool Human Necessities 31 Expired
US7023813B2 Methods for managing a pool of multicast addresses and allocating addresses in a communications system Electricity 14 Expired
US6597919B1 Optimal radio channel allocation in a distributed connection and transport network Electricity 14 Expired
US6697349B2 System and methods for distributed connection and mobility processing in a multicast IP network incorporating multi-cell location areas Electricity 11 Expired
US7801526B2 Methods for informing subscribers of adjacent sites Electricity 8 Active
US8204473B2 Method and apparatus for selectively distributing media inputs associated with an incident Physics 8 Active
US7103011B2 Use of IP-multicast technology for 2-party calls in mobile communication networks Electricity 6 Expired
US5271284A Lap splice width monitor Physics 6 Expired
US8594684B2 Method for bearer establishment in a radio access network Electricity 5 Active
US7492734B2 Method of access to a channelized network from a packet data network Electricity 5 Active
US8412829B2 System and method for controlling and managing sessions between endpoints in a communications system Emerging Cross-Sectional Technologies 5 Active
US9392576B2 Methods for tranporting a plurality of media streams over a shared MBMS bearer in a 3GPP compliant communication system Electricity 4 Active
US10574786B2 Methods and systems for controlled wireless distribution of data for use at a location without reliable wireless connectivity Electricity 0 Active
US7353038B2 Method and apparatus for indicating an expected level of quality in a private push to talk (PTT) network Electricity 0 Expired

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