Average Co-Inventor Count = 3.00
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 39,228 patents)
2 patents:
1. 7100520 - Theft-prevention ink pack device, and treasure safe having the same
2. 6334610 - Leaf transfer mechanism unit