Average Co-Inventor Count = 1.50
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 90,673 patents)
2 patents:
1. 5608537 - Image treatment apparatus
2. 5151593 - Image reading apparatus with corrected optical length