Average Co-Inventor Count = 1.42
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 (3 from 39,237 patents)
3 patents:
1. 8108472 - Electronic mail system
2. 7389322 - Electric mail system
3. 5550562 - Data processing device that enables mouse-operated application programs