Average Co-Inventor Count = 2.00
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. Canon Kabushiki Kaisha (3 from 90,594 patents)
3 patents:
1. 4904557 - Electrophotographic photosensitive member having a roughened surface
2. 4617245 - Light receiving member having tapered reflective surfaces between
3. 4517271 - Electrophotographic CdS photosensitive member with acrylic resin binder