Average Co-Inventor Count = 4.76
ph-index = 2
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. 5530730 - Medal counter for counting medals used in game machine
2. 5487696 - Apparatus for polishing medals for game machine and for separating
3. 5476253 - Paper slip transport and stack unit
4. 5465950 - Paper sheet conveying and arranging apparatus
5. 5441253 - Paper sheet conveying apparatus