Average Co-Inventor Count = 4.80
ph-index = 3
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 (4 from 39,237 patents)
4 patents:
1. 5499876 - Printing apparatus having head gap adjusting device
2. 5120146 - Printer having a bail roller opening and closing mechanism
3. 5071275 - Printer having a bail roller opening and closing mechanism
4. 5064304 - Printer having an ink ribbon shift apparatus