Average Co-Inventor Count = 1.20
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 (4 from 90,697 patents)
4 patents:
1. D451927 - Facsimile transmitter-receiver
2. D433415 - Image scanner apparatus
3. D422571 - Image input device
4. D419974 - Image scanner apparatus