Average Co-Inventor Count = 3.00
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 Fanuc Limited (2 from 187 patents)
2. Fanuc Corporation (1 from 6,066 patents)
3 patents:
1. 4536649 - Photoelectric converter-type pulse encoder
2. 4495464 - Non-contacting, speed-detecting device of a direct-current generator type
3. 4449177 - Discharging circuit for power source device with rectifier circuit