Average Co-Inventor Count = 2.20
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 (5 from 90,753 patents)
5 patents:
1. 11046345 - Tipping prevention unit, feeding apparatus, and image forming apparatus
2. 8783677 - Sheet feeding apparatus and image forming apparatus
3. 7177566 - Main frame construction for an image forming apparatus
4. 6909494 - Image forming apparatus
5. 5241145 - Operation device for electronic apparatus