Average Co-Inventor Count = 2.94
ph-index = 1
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. Kabushiki Kaisha Ace Denken (5 from 99 patents)
5 patents:
1. 5618042 - Medal distribution system in a slot machine island
2. 5487696 - Apparatus for polishing medals for game machine and for separating
3. 5390923 - Medal piece feed system for game machines
4. 5292279 - Medal distribution apparatus for slot machine island
5. 5267892 - Token management system for slot machine island