Average Co-Inventor Count = 2.67
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 (2 from 90,884 patents)
2 patents:
1. 4423132 - Electrostatic image holder having insulating overlayer of fluorinated
2. 4141849 - Developer for developing electrostatic latent images