Average Co-Inventor Count = 7.37
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. (2 from 264 patents)
2. Kabushiki Kaisha Sega Enterprises (2 from 145 patents)
4 patents:
1. 7273414 - Race game device
2. 7128651 - Card game for displaying images based on sound recognition
3. 6607443 - Game device
4. 6394898 - Race game device