Average Co-Inventor Count = 1.33
ph-index = 8
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. Aruze Corporation (7 from 149 patents)
2. Universal Sales Co., Ltd. (1 from 20 patents)
8 patents:
1. 7066813 - Gaming machine with progressive story
2. 6471588 - Game machine and method that adjusts stop instructions of reels with random numbers
3. 6315663 - Game machine and method with shifting reels in two directions
4. 6315289 - Game machine informing small hit prize
5. 6306034 - Game machine informing prize mode information in a series of flow of game
6. 6270408 - Game machine informing prize mode information based on variable display stop request
7. 6126165 - Game machine with a hit expectation sound emitting function
8. 5989121 - Game machine in capable of controlling game aspect