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. 7664531 - Communication method
2. 5357065 - Circuit unit for electronic instrument having key-pad arrangement