Average Co-Inventor Count = 5.71
ph-index = 3
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 (4 from 99 patents)
4 patents:
1. 5620177 - Paper slip storage system
2. 5551912 - Coin conveying apparatus
3. 5496020 - Bank note transporting apparatus in game machine island
4. 5465953 - Bank note conveying equipment