Average Co-Inventor Count = 1.02
ph-index = 20
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. Atronic International Gmbh (33 from 39 patents)
2. Spielo International Austria Gmbh (5 from 8 patents)
3. Atronic Casino Technology Distribution Gmbh (4 from 5 patents)
4. Spielo International Canada Ulc (3 from 20 patents)
5. Gtech Germany Gmbh (1 patent)
6. Michael Gauselmann (0 patent)
7. David M. Tucker (0 patent)
45 patents:
1. 8708797 - Device to automatically change award parameters for a gaming machine
2. 8602862 - Gaming machine displaying special symbol having randomly selected functions
3. 8579689 - Awarding of game features in a gaming machine
4. 8328634 - Bonus game displaying and awarding selected values
5. 8246447 - Gaming device holding reels with trigger symbols and providing free reel spins
6. 8231460 - Enhanced play mode in a gaming machine based on contributions from player's wagers
7. 8226461 - Gaming machine displaying special games with accumulated special symbols
8. 8152625 - Bonus game awarding and displaying selected values
9. 8092298 - Multiple progressive jackpots for a gaming device
10. 7963838 - Bonus game for gaming machine providing player with deal or no deal options
11. 7959508 - Gaming machine with player selection of options in bonus game
12. 7896737 - Scatter symbol feature in a gaming device displaying reels
13. 7841934 - Amusement machine having a secondary game for determining a winning amount
14. 7841935 - Device to automatically change award parameters for a gaming machine
15. 7841947 - Multicolor top light for gaming machines