Average Co-Inventor Count = 4.74
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 Frontech Limited (3 from 266 patents)
3 patents:
1. 11887090 - Self-payment system, management apparatus, and terminal management method
2. D706865 - Electronic calculator
3. D680108 - Electronic computer with display unit