Average Co-Inventor Count = 3.46
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 (5 from 90,753 patents)
5 patents:
1. 5073965 - Image processing system
2. 5038379 - Image information searching apparatus
3. 4878250 - Image processing system
4. 4769852 - Image processing system
5. 4658299 - Image processing system