Patent assignee · US · COMPANY

Arcot Systems, Inc.

23Patents
5Active
23Granted
36Portfolio score

Filing activity: Dec 23, 1997 → Nov 17, 2008 · 5 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6263446A Method and apparatus for secure distribution of authentication credentials to roaming users Electricity 275 Expired
US6908030B2 One-time credit card number generator and single round-trip authentication Physics 202 Expired
US7111789B2 Enhancements to multi-party authentication and other protocols Physics 151 Expired
US6983381B2 Methods for pre-authentication of users using one-time passwords Electricity 105 Expired
US6170058A Method and apparatus for cryptographically camouflaged cryptographic key storage, certification and use Electricity 81 Expired
US7167565B2 Efficient techniques for sharing a secret Electricity 77 Expired
US7711122B2 Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys Electricity 69 Active
US6209102A Method and apparatus for secure entry of access codes in a computer environment Physics 61 Expired
US6956950B2 Computer readable medium having a private key encryption program Electricity 58 Expired
US6895391B1 Method and system for secure authenticated payment on a computer network Electricity 34 Expired
US7181762B2 Apparatus for pre-authentication of users using one-time passwords Electricity 25 Expired
US7454782B2 Method and system for camouflaging access-controlled data Electricity 14 Expired
US7844827B1 Method of key generation using biometric features Electricity 13 Active
US7418728B2 Auditing secret key cryptographic operations Electricity 13 Active
US7484092B2 Techniques for searching encrypted files Emerging Cross-Sectional Technologies 12 Expired
US7020782B2 Size-dependent hashing for credit card verification and other applications Physics 12 Expired
US7328350B2 Method and apparatus for secure cryptographic key generation, certification and use Electricity 9 Expired
US7330836B2 Method and system for secure authenticated payment on a computer network Electricity 8 Expired
US6928427B2 Efficient computational techniques for authorization control Emerging Cross-Sectional Technologies 7 Expired
US6959303B2 Efficient searching techniques Emerging Cross-Sectional Technologies 5 Expired
US8015598B2 Two-factor anti-phishing authentication systems and methods Physics 4 Active
US7363262B2 Account protection with one sided access Physics 3 Expired
US7634470B2 Efficient searching techniques Emerging Cross-Sectional Technologies 1 Active

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