Average Co-Inventor Count = 2.00
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. Sammy Corporation (4 from 8 patents)
4 patents:
1. D508541 - Arcade game machine
2. D507604 - Arcade game machine
3. D507022 - Arcade game machine
4. D503433 - Arcade game machine