Average Co-Inventor Count = 6.32
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 (4 from 266 patents)
4 patents:
1. D706865 - Electronic calculator
2. D680108 - Electronic computer with display unit
3. 8226002 - Magnetic card reader
4. 8162217 - Magnetic card reader