Average Co-Inventor Count = 3.19
ph-index = 9
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. Wms Gaming, Inc. (11 from 979 patents)
2. Williams Electronics Games, Inc. (3 from 91 patents)
3. Bally Gaming, Inc. (2 from 1,255 patents)
4. Stern Pinball, Inc. (2 from 21 patents)
5. Ilight Technologies, Inc. (1 from 39 patents)
6. Midway Amusement Games LLC (1 from 9 patents)
7. Grand Products, LLC (1 from 3 patents)
21 patents:
1. 9830775 - Gaming system having exchangeable bonus token accumulation-redemption feature
2. 9814966 - Rollover switch for an amusement game device
3. 9721435 - Gaming system having exchangeable bonus token accumulation-redemption feature
4. 9561430 - Rollover switch for an amusement game device
5. 9011251 - Wagering game with shared payoff based on multiple player selections
6. 8858332 - Handheld device for wagering games
7. 8628405 - Gaming system having exchangeable bonus token accumulation-redemption feature
8. 8545304 - Wagering game with bonus game triggered by linked terminal
9. 8537023 - Method and apparatus pertaining to automatic electrical-fault detection
10. 8512147 - Wagering game with shared payoff based on multiple player selections
11. 8235813 - Gaming machine having auxiliary lighting feature
12. 8162751 - Gaming machine with color changing cabinet
13. 7927218 - Gaming machine with common top box substructure
14. 7775873 - Wagering game with shared payoff based on multiple player selections
15. 7618323 - Gaming machine system having a gesture-sensing mechanism