Inventor · Chicago, IL, US

Stephen Christopher Gladwin

17Patents
7h-index
10Co-inventors
59Inventor score

Filing activity: Aug 29, 2000 → Apr 10, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7702403B1 Structure and method for selecting, controlling and sending internet-based or local digital audio to an AM/FM radio or analog amplifier Electricity 172 Expired
US7890661B2 Proximity synchronizing audio gateway device Electricity 45 Expired
US9407385B2 Synchronization among multiple playback and storage devices Electricity 35 Active
US6879865B1 Structure and method for selecting, controlling and sending internet-based or local digital audio to an AM/FM radio or analog amplifier Physics 22 Expired
US7620363B2 Proximity synchronization of audio content among multiple playback and storage devices Electricity 19 Expired
US8606684B2 Digital content distribution and subscription system Electricity 19 Expired
US8732232B2 Proximity synchronizing audio playback device Electricity 11 Expired
US8731460B2 Synchronization of digital content among multiple devices Electricity 6 Active
US8731459B2 Sharing digital content among multiple devices Electricity 6 Active
US9160471B2 Synchronization among multiple playback and storage devices Electricity 5 Active
US9397991B2 Digital content distribution and subscription system Electricity 2 Active
US9699015B2 Continuous digital content presentation across multiple devices Electricity 1 Active
US10033475B2 Proximity synchronization of audio content among multiple playback and storage devices Electricity 1 Active
US9712371B2 Continuous digital content presentation across multiple devices Electricity 1 Active
US9886566B2 Digital content distribution and subscription system Electricity 1 Active
US10122569B2 Proximity synchronizing audio gateway device Electricity 1 Active
US10841146B2 Proximity synchronizing audio gateway device Electricity 0 Active

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