Growing community of inventors

Las Vegas, NV, United States of America

David Kubajak

Average Co-Inventor Count = 3.10

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 50

David KubajakMark L Adams (19 patents)David KubajakMike Nguyen (15 patents)David KubajakMark Henderson (5 patents)David KubajakBryan Allen Wilcutt (5 patents)David KubajakSteven Johnson (5 patents)David KubajakDominic Mohrhardt (4 patents)David KubajakMark Castilo (3 patents)David KubajakChris Blevens (1 patent)David KubajakMark Adams (0 patent)David KubajakDavid Kubajak (24 patents)Mark L AdamsMark L Adams (85 patents)Mike NguyenMike Nguyen (19 patents)Mark HendersonMark Henderson (26 patents)Bryan Allen WilcuttBryan Allen Wilcutt (14 patents)Steven JohnsonSteven Johnson (12 patents)Dominic MohrhardtDominic Mohrhardt (18 patents)Mark CastiloMark Castilo (3 patents)Chris BlevensChris Blevens (1 patent)Mark AdamsMark Adams (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Japan Cash Machine Co., Ltd. (12 from 117 patents)

2. Jcm American Corporation (10 from 49 patents)

3. Japan Cash Machine (1 from 1 patent)


24 patents:

1. 12217247 - Transaction methods for mobile wallet operations in a gaming environment

2. 12046110 - Crediting and debiting an electronic gaming machine in a casino environment

3. 11908266 - System for providing visual device status via a peripheral device

4. 11869302 - Device, system and method for facilitating communications between electronic gaming machines and mobile devices

5. 11587047 - Transaction methods for mobile wallet operations in a gaming environment

6. 11341813 - Device, system, and method for facilitating communications between electronic gaming machines and mobile devices

7. 11321999 - Crediting and debiting an electronic gaming machine in a casino environment

8. 11321998 - Crediting and debiting an electronic gaming machine in a casino environment

9. 11257331 - Providing information to a player in a casino environment

10. 11227281 - Transaction methods for mobile wallet operations in a gaming environment

11. 11188890 - Document handler system and method with timed operation

12. 11189136 - Providing information to a player in a casino environment

13. 11127259 - Bill validation and cash dispensing device, system and method for use in a casino context

14. 11100759 - Crediting and debiting an electronic gaming machine in a casino environment

15. 10818144 - Crediting an electronic gaming machine in a casino environment

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as of
12/5/2025
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