Patent assignee · US · COMPANY

Voltage Security, Inc.

57Patents
46Active
57Granted
49Portfolio score

Filing activity: Nov 14, 2002 → Sep 4, 2015 · 28 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8595850B2 System for protecting sensitive data with distributed tokenization Electricity 255 Active
US7698442B1 Server-based universal resource locator verification service Physics 137 Active
US6886096B2 Identity-based encryption system Electricity 131 Expired
US7003117B2 Identity-based encryption system for secure data distribution Electricity 119 Expired
US8079087B1 Universal resource locator verification service with cross-branding detection Physics 98 Active
US7921292B1 Secure messaging systems Electricity 98 Active
US7864952B2 Data processing systems with format-preserving encryption and decryption engines Electricity 57 Active
US8108678B1 Identity-based signcryption system Electricity 57 Active
US7103911B2 Identity-based-encryption system with district policy information Electricity 57 Expired
US7580521B1 Identity-based-encryption system with hidden public key attributes Electricity 54 Expired
US7590236B1 Identity-based-encryption system Electricity 52 Active
US7266847B2 Secure message system with remote decryption service Electricity 50 Expired
US7017181B2 Identity-based-encryption messaging system with public parameter host servers Electricity 49 Expired
US8254571B1 Cryptographic system with halting key derivation function capabilities Electricity 41 Active
US7769820B1 Universal resource locator verification services using web site attributes Electricity 35 Active
US7571321B2 Identity-based-encryption messaging system Electricity 35 Expired
US8429232B1 Message authentication using signatures Electricity 34 Active
US8145718B1 Secure messaging system with personalization information Electricity 31 Active
US7685414B1 Subscription management service for secure messaging system Electricity 26 Expired
US8208627B2 Format-preserving cryptographic systems Electricity 26 Active
US7961879B1 Identity-based-encryption system with hidden public key attributes Electricity 22 Active
US7412059B1 Public-key encryption system Electricity 21 Expired
US7634085B1 Identity-based-encryption system with partial attribute matching Electricity 21 Active
US8627084B1 Secure messaging systems Electricity 20 Active
US7523314B2 Identity-based-encryption message management system Electricity 19 Expired

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