Average Co-Inventor Count = 5.51
ph-index = 4
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 90,809 patents)
4 patents:
1. 5585214 - Electrophotographic photosensitive member having polycarbonate with
2. 5485250 - Electrophotographic apparatus with photosensitive member having surface
3. 5455135 - Electrophotographic photosensitive member with overlayer and
4. 5357320 - Electrophotographic apparatus