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 39,245 patents)
2 patents:
1. 5189684 - Line signal deterioration removing systems
2. 5175745 - Transversal type automatic equalizer with tap coefficient protection