Average Co-Inventor Count = 4.61
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 (2 from 92 patents)
2. Kabushiki Kaisha Sega Enterprises (1 from 145 patents)
3 patents:
1. 7664536 - Character communication device
2. 7203908 - Character communication device
3. 6259431 - Image processor, game machine, image display method, and recording medium