Average Co-Inventor Count = 3.16
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. D519569 - Inputting machine for computer game machine
2. 6626762 - Game device
3. 6328650 - Game controller and information storage medium