Average Co-Inventor Count = 4.61
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. Canon Kabushiki Kaisha (4 from 90,594 patents)
4 patents:
1. 6218065 - Toner having negative triboelectric chargeability and developing method
2. 6040103 - Toner for developing electrostatic image and image forming method
3. 4673630 - Photoconductive film and electrophotographic photosensitive member
4. 4629670 - Photoconductive film of azulenium salt and electrophotographic