Average Co-Inventor Count = 4.44
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. Namco Limited (3 from 199 patents)
3 patents:
1. 6626762 - Game device
2. 5346398 - Stationary game machine
3. 5016890 - Shooting game machine