Average Co-Inventor Count = 1.60
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. Canon Kabushiki Kaisha (4 from 90,594 patents)
4 patents:
1. 7718301 - Fuel supply apparatus
2. 7537856 - Fuel cell, fuel supply apparatus therefor, and fuel supply system therefor
3. 6035132 - Optical apparatus having flash-illumination-area controlling device
4. 5223875 - Automatic tracking camera system