Inventor · Chesterfield, MO, US

Alan B. Johnston

26Patents
12h-index
16Co-inventors
74Inventor score

Filing activity: Oct 25, 2001 → Nov 9, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7706401B2 Method and system for providing interdomain traversal in support of packetized voice transmissions Electricity 49 Active
US7602748B2 Fixed-mobile communications with mid-session mode switching Electricity 41 Active
US8300632B2 System and method for distributed call monitoring/recording using the session initiation protocol (SIP) Electricity 41 Active
US7266591B1 Providing content delivery during a call hold condition Electricity 38 Expired
US10506070B2 Web communication based content servicing and delivery system, method, and computer program Electricity 33 Active
US8571011B2 Method and system for providing voice over IP managed services utilizing a centralized data store Electricity 31 Active
US6928150B2 Call charging notification Electricity 21 Expired
US8693392B2 Peer-to-peer communication system and method Electricity 21 Active
US8467308B2 Communication session quality indicator Electricity 20 Active
US8537854B2 Method and system for providing interdomain traversal in support of packetized voice transmissions Electricity 18 Active
US8605711B1 Small office or home office (SOHO) IP phone service Electricity 18 Active
US9137027B2 Bootstrapping in peer-to-peer networks with network address translators Electricity 13 Active
US9363133B2 Distributed application of enterprise policies to Web Real-Time Communications (WebRTC) interactive sessions, and related methods, systems, and computer-readable media Emerging Cross-Sectional Technologies 7 Active
US7469299B2 Bridging user agent and a proxy server for supporting network services Emerging Cross-Sectional Technologies 6 Expired
US8693434B2 Fixed-mobile communications with mid-session mode switching Electricity 6 Active
US9065969B2 Scalable web real-time communications (WebRTC) media engines, and related methods, systems, and computer-readable media Electricity 4 Active
US8793338B2 Providing content delivery during a call hold condition Electricity 2 Active
US9525718B2 Back-to-back virtual web real-time communications (WebRTC) agents, and related methods, systems, and computer-readable media Electricity 2 Active
US9356915B2 Enhancing privacy by obscuring traversal using relays around network address translator (TURN) connections, and related methods, systems, and computer-readable media Electricity 2 Active
US9112840B2 Verifying privacy of web real-time communications (WebRTC) media channels via corresponding WebRTC data channels, and related methods, systems, and computer-readable media Electricity 1 Active
US9948738B2 Real-time data acquisition using peer-to-peer technologies Electricity 1 Active
US11012437B2 Controlling access to traversal using relays around network address translation (TURN) servers using trusted single-use credentials Electricity 1 Active
US10129243B2 Controlling access to traversal using relays around network address translation (TURN) servers using trusted single-use credentials Electricity 1 Active
US11005966B2 Web communication based content servicing and delivery system, method, and computer program Electricity 0 Active
US10263952B2 Providing origin insight for web applications via session traversal utilities for network address translation (STUN) messages, and related methods, systems, and computer-readable media Electricity 0 Active

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