Average Co-Inventor Count = 2.57
ph-index = 3
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. Sega Enterprises, Ltd. (3 from 264 patents)
3 patents:
1. 6484942 - Information storage medium, information reproducing apparatus, game machine and its information reproducing method
2. 5805120 - Head-up display apparatus
3. 5092808 - Air action toy system