Average Co-Inventor Count = 6.30
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 90,753 patents)
3 patents:
1. 6067439 - Delivery member, and apparatus employing the same
2. 5751801 - Charging member with surface layer comprising polymers, and image
3. 4556285 - Reflection mirror for optical instrument