Inventor
LANTZ GREG
US14 patents
Patents
14 patentsUS10769392B1Sep 8, 2020
Vehicle tracking system using transponders
AMTECH SYSTEMS LLC12 citations92
US10134210B1Nov 20, 2018
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC14 citations91
US11039284B1Jun 15, 2021
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC1 citations72
US10708745B2Jul 7, 2020
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC3 citations72
US12056566B1Aug 6, 2024
Vehicle tracking system using transponders
AMTECH SYSTEMS LLC1 citations71
US11663427B1May 30, 2023
Vehicle tracking system using transponders
AMTECH SYSTEMS LLC1 citations71
US11341345B1May 24, 2022
Vehicle tracking system using transponders
AMTECH SYSTEMS LLC3 citations71
US12505322B2Dec 23, 2025
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC0 citations62
US12483870B2Nov 25, 2025
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC0 citations62
US12437285B1Oct 7, 2025
Vehicle tracking system for congestion pricing using transponders
AMTECH SYSTEMS LLC1 citations62
US12015969B2Jun 18, 2024
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC0 citations62
US11836569B1Dec 5, 2023
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC0 citations62
US12069552B2Aug 20, 2024
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC0 citations61
US11323865B2May 3, 2022
Vehicle tracking system using smart-phone as active transponder
AMTECH SYSTEMS LLC0 citations61