Patents 444show all

  • 284
    H04M - Telephonic communication
  • 140
    H04Q - Selecting
  • 120
    H04L - Transmission of digital information, e.g. telegraphic communication
  • 41
    H04W - Wireless communications networks
  • 38
    G06Q - Data processing systems or methods, specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes
  • 37
    G06F - Electric digital data processing
  • 34
    H04N - Pictorial communication, e.g. television
  • 19
    G10L - Speech analysis or synthesis
  • 6
    G08B - Signalling or calling systems
  • 6
    G08G - Traffic control systems

SEC Filings show all


33
8-K

17
10-Q

4
10-K

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