Average Co-Inventor Count = 2.77
ph-index = 4
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 (6 from 199 patents)
6 patents:
1. 7017904 - Token-operated game machine
2. 6769687 - Token-operated game machine
3. 6210286 - Riding game system
4. 6059666 - Riding game system
5. 5662003 - Steering wheel device equipped with stopper
6. 5569085 - Gun game machine having a sliding gun barrel cover for simulating the