Average Co-Inventor Count = 2.40
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 39,237 patents)
2 patents:
1. 6874106 - Method and device for notifying server failure recovery
2. 6553221 - Incoming call notification apparatus