Average Co-Inventor Count = 3.00
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 90,753 patents)
2 patents:
1. 5940663 - Image exposure apparatus
2. 5561511 - Releasing elastic roller and fixing device utlizing the same