Average Co-Inventor Count = 4.80
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. Other (1 from 832,843 patents)
2. Sega Enterprises, Ltd. (1 from 264 patents)
2 patents:
1. 6616535 - IC card system for a game machine
2. 5713792 - Fishing game device and a simulated fishing reel