Average Co-Inventor Count = 7.20
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. Kabushiki Kaisha Sega Enterprises (2 from 145 patents)
2 patents:
1. 6417854 - Image processing system
2. 6149519 - Electronic game device