Average Co-Inventor Count = 1.82
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 90,673 patents)
4 patents:
1. 5218673 - Information processing system
2. 4996664 - File system
3. 4067780 - Image recording member
4. 4012292 - Image recording member