Average Co-Inventor Count = 2.86
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. Sega Corporation (1 from 134 patents)
2. Kabushiki Kaisha Sega (1 from 92 patents)
2 patents:
1. D641048 - Simulated driving game device
2. D562409 - Simulated piloting game device