Below is a summary of the patents granted to BIO-key International as of 2019.

Patent 6,895,104 Image Identification System
Core image processing and data indexing solution, core unique elements of BIO-key’s algorithm and solution offering.
Covers image enhancement, quality fields and indexing for 1:N technology.
Filed November 16th, 2001; granted May 17th, 2005
Inventor: Barry Wendt, Mira LaCous, et al. Granted in the U.S. and many foreign countries
Patent 7,117,356 Systems and Methods for Secure Biometric Authentication
Client authentication to a server in a secure session for Enterprise solutions, which is embodied in BIO-key’s WEB-key solution.
Security for session management, confirmation of authentication data and single transaction processing.
Filed May 20th, 2003; granted October 3rd, 2006
Inventor: Mira LaCous Granted in the U.S. and many foreign countries
Patent 7,155,040 Generation of Quality Field Information in the Context of Image Processing
Generation of image quality values
Use of the image quality in further image processing and data extraction.
Filed June 29th, 2004; granted December 26th, 2006
Inventor: Andrey Nikiforov – granted in the U.S. and several foreign countries
Patent 7,359,553 Image Identification System
Core image Processing and Data Indexing solution, core unique elements of BIO-key’s algorithm and solution offering.
Covers image enhancement, quality fields and indexing for 1:N technology.
Filed February 16th, 2001; granted April 15th, 2008
Patent 7,415,605 Biometric Identification Network Security
System for regulating user access to systems using biometric security and the Trusted Computing Platform specification.
Advancement of the Systems and Methods Patent to include the standard Trusted Device Platform for protection of the encryption.
Filed September 29th, 2006; granted August 19th, 2008
Inventor: Mira LaCous Granted in the U.S. and many foreign countries
Patent 7,454,624 Match Template Protection within Biometric Security
A differentiation of enrollment templates to authentications models for enhanced security.
If an Enrollment template cannot be used for authentication, then an enrollment database loss has less impact to any operational system.
Filed May 14th, 2003; granted November 18th, 2008
Inventor: Mira LaCous Granted in the U.S. and many foreign countries
Patent 7,502,938 Trusted Biometric Device
A method of protecting data from the capture point to usage point that enhances security and usefulness of the remote capture devices.
Prevents digital attack of the biometric reader device.
Filed July 24th, 2003; granted March 10, 2009
Inventor: Mira LaCous Granted in the U.S. and many foreign countries
Patent 7,539,331 Image Identification System
Methods of improving performance and reliability of image processing.
Filed May 3rd, 2005; granted May 26, 2009
Inventor: Barry Wendt, Ben Wittig Granted in the U.S. and several foreign countries
Patent 8,055,027 Generation of Directional Field Info in the Context of Image Processing
Methods of generation of a directional field.
Utilization of the directional field in image processing and image enhancement steps to improve accuracy.
Filed June 30, 2004; granted November 8, 2011
Inventor: Andrey Nikiforov Granted in the U.S. and several foreign countries
Patent 8,214,652 Biometric Identification Network Security
System for regulating user access to systems using biometric security and the Trusted Computing Platform specification.
Advancement of the Systems and Methods Patent to include the standard Trusted Device Platform for protection of the encryption.
Filed June 3, 2008; granted July 3, 2012
Inventor: Mira LaCous Granted in the U.S. and many foreign countries
Patent 9,646,146 Utilization of Biometric Data
A method to precapture and utilize biometric data for authentications without the need for a formal user interaction.
Ability to use a sensor as a small area touch sensor, or as a swipe sensor to attain larger more accurate images.
Filed March 6, 2015; granted May 9, 2017
Inventor: Mira LaCous, Gary Zarn – Granted in the U.S.
Patent 10,002,244 Utilization of Biometric Data
A method to precapture and utilize biometric data for authentications without the need for a formal user interaction.
Filed March 30, 2017; granted June 19, 2018
Inventor: Mira LaCous, Gary Zarn – granted in the U.S.
Patent 10,025,831 Adaptive Short Lists and Acceleration of Biometric Database Search
A system for creating an adaptive set of filters, resulting in short lists to reduce a biometric database size.
Biometric identification by quickly removing large sections of the database as not valid for a match to the candidate sample.
Filed April 2, 2015; granted July 17, 2018
Inventor: Renat Zhdanov, Alexander Ouchveridze Granted in the U.S.
Application 20150101065 User Controlled Data Sharing Platform
A method of allowing user control over biometric data storage and sharing locations.
Filed October 3, 2014; presently stalled with prior art conflicts
Inventor: James Sullivan
Application 2016054476 Biometric Recognition for Uncontrolled Acquisition Environments
A method of image acquisition across variable sensors for scaling, orientation and position. Use of dynamic algorithms for proper analysis to align to enrolled samples.
Filed August 3, 2018; in review
Inventor: Renat Zhdanov

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