Average Co-Inventor Count = 4.00
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. Kabushiki Kaisha Sega Enterprises (3 from 145 patents)
3 patents:
1. 6239771 - Head mounted display
2. 6124837 - Head mounted display
3. 5774096 - Head mounted display