Average Co-Inventor Count = 4.56
ph-index = 70
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.
Company Filing History:
1. Walker Digital, LLC (156 from 532 patents)
2. Igt (59 from 4,299 patents)
3. Inventor Holdings, LLC (7 from 42 patents)
4. Zynga Inc. (5 from 559 patents)
5. Groupon, Inc. (4 from 693 patents)
6. Other (3 from 831,952 patents)
7. Priceline.com Incorporated (3 from 55 patents)
8. Walker Digital Table Systems, LLC (3 from 33 patents)
9. Hewlett-packard Development Company, L.p. (2 from 27,311 patents)
10. Facebook, Inc. (2 from 5,341 patents)
11. Qualcomm Incorporated (1 from 40,378 patents)
12. Walker Asset Management Limited Partnership (1 from 44 patents)
13. Multi-state Lottery Association (1 from 4 patents)
247 patents:
1. 12354436 - Systems and methods for verifying player identity at an electronic wagering system in a casino
2. 11928924 - Systems and methods for verifying player identity at a table game
3. 11238695 - Systems and methods for verifying player identity at a table game
4. 10489836 - Systems and methods wherein a buyer purchases products in a plurality of product categories
5. 10332355 - Systems and methods for post-play gaming benefits
6. 10249133 - Methods and systems for replaying a player's experience in a casino environment
7. 10147268 - Systems and methods for determining a level of reward
8. 9898890 - Methods and systems for determining a batch run of sessions
9. 9799164 - Systems and methods for determining a level of reward
10. 9754302 - Retail system for selling products based on a flexible product description
11. 9684916 - Retail system for selling products based on a flexible product description
12. 9424715 - Systems and methods for determining a level of reward
13. 9311778 - Methods and apparatus for managing network linked gambling video games
14. 9311784 - Systems and methods for post-play gaming benefits
15. 9214064 - Systems and methods for determining a level of reward