Patent assignee · US · COMPANY

Pindrop Security, Inc.

85Patents
85Active
85Granted
54Portfolio score

Filing activity: Jul 22, 2016 → Feb 8, 2024

Most-cited patents

PatentTitleAreaCited byStatus
US9824692B1 End-to-end speaker recognition using deep neural network Physics 118 Active
US9883040B2 Fraud detection in interactive voice response systems Electricity 36 Active
US10666792B1 Apparatus and method for detecting new calls from a known robocaller and identifying relationships among telephone calls Electricity 18 Active
US10325601B2 Speaker recognition in the call center Electricity 18 Active
US10347256B2 Channel-compensated low-level features for speaker recognition Physics 16 Active
US10665244B1 Leveraging multiple audio channels for authentication Electricity 15 Active
US10623403B1 Leveraging multiple audio channels for authentication Electricity 14 Active
US10141009B2 System and method for cluster-based audio event detection Physics 12 Active
US10397398B2 Authentication using DTMF tones Electricity 11 Active
US10362172B2 Fraud detection in interactive voice response systems Electricity 11 Active
US10679630B2 Speaker recognition in the call center Electricity 11 Active
US9930186B2 Call detail record analysis to identify fraudulent activity Electricity 11 Active
US10902105B2 Fraud detection in interactive voice response systems Electricity 9 Active
US10257591B2 Call classification through analysis of DTMF events Electricity 9 Active
US10685008B1 Feature embeddings with relative locality for fast profiling of users on streaming data Physics 8 Active
US10854205B2 Channel-compensated low-level features for speaker recognition Physics 7 Active
US10542135B2 Method and apparatus for threat identification through analysis of communications signaling, events, and participants Electricity 7 Active
US10142463B2 Method and apparatus for threat identification through analysis of communications signaling, events, and participants Electricity 7 Active
US10692502B2 Method and apparatus for detecting spoofing conditions Physics 5 Active
US10440178B2 Caller ID verification using call identification and block lists Electricity 4 Active
US10873461B2 Zero-knowledge multiparty secure sharing of voiceprints Electricity 3 Active
US10904643B2 Call classification through analysis of DTMF events Electricity 3 Active
US10381009B2 End-to-end speaker recognition using deep neural network Physics 3 Active
US11670304B2 Speaker recognition in the call center Electricity 3 Active
US10672403B2 Age compensation in biometric systems using time-interval, gender and age Physics 3 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.