Average Co-Inventor Count = 5.33
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. Fujitsu Corporation (2 from 39,228 patents)
2 patents:
1. 8438385 - Method and apparatus for identity verification
2. 6283764 - Storage medium playback system and method