Inventor
KUBAJAK DAVID
US19 patents
⚠️ This page may combine multiple inventors who share the name “KUBAJAK DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KINSEN KIKAI KK
13 patentsUS11321999B2May 3, 2022
Crediting and debiting an electronic gaming machine in a casino environment
NIPPON KINSEN KIKAI KK5 citations84
US11257331B2Feb 22, 2022
Providing information to a player in a casino environment
NIPPON KINSEN KIKAI KK5 citations84
US11189136B2Nov 30, 2021
Providing information to a player in a casino environment
NIPPON KINSEN KIKAI KK3 citations84
US11127259B2Sep 21, 2021
Bill validation and cash dispensing device, system and method for use in a casino context
NIPPON KINSEN KIKAI KK3 citations84
US11100759B2Aug 24, 2021
Crediting and debiting an electronic gaming machine in a casino environment
NIPPON KINSEN KIKAI KK5 citations84
US10818144B2Oct 27, 2020
Crediting an electronic gaming machine in a casino environment
NIPPON KINSEN KIKAI KK3 citations84
US10783752B2Sep 22, 2020
Crediting and debiting an electronic gaming machine in a casino environment
NIPPON KINSEN KIKAI KK3 citations84
US10629034B2Apr 21, 2020
Bill validation and cash dispensing device, system and method for use in a casino context
NIPPON KINSEN KIKAI KK7 citations84
US10713889B2Jul 14, 2020
Device, system, and method for facilitating communications between electronic gaming machines and mobile devices
NIPPON KINSEN KIKAI KK4 citations83
US11321998B2May 3, 2022
Crediting and debiting an electronic gaming machine in a casino environment
NIPPON KINSEN KIKAI KK2 citations73
US11869302B2Jan 9, 2024
Device, system and method for facilitating communications between electronic gaming machines and mobile devices
NIPPON KINSEN KIKAI KK1 citations72
US11341813B2May 24, 2022
Device, system, and method for facilitating communications between electronic gaming machines and mobile devices
NIPPON KINSEN KIKAI KK2 citations72
US12046110B2Jul 23, 2024
Crediting and debiting an electronic gaming machine in a casino environment
NIPPON KINSEN KIKAI KK0 citations62
JCM AMERICAN CORP
6 patentsUS10140817B2Nov 27, 2018
Bill validation and cash dispensing device, system and method for use in a casino context
JCM AMERICAN CORP11 citations92
US10621825B2Apr 14, 2020
Device, system, and method for facilitating communications between electronic gaming machines and mobile devices
JCM AMERICAN CORP5 citations83
US12217247B2Feb 4, 2025
Transaction methods for mobile wallet operations in a gaming environment
JCM AMERICAN CORP0 citations59
US11227281B2Jan 18, 2022
Transaction methods for mobile wallet operations in a gaming environment
JCM AMERICAN CORP0 citations59
US11587047B2Feb 21, 2023
Transaction methods for mobile wallet operations in a gaming environment
JCM AMERICAN CORP0 citations49
US11908266B2Feb 20, 2024
System for providing visual device status via a peripheral device
JCM AMERICAN CORP0 citations44