Average Co-Inventor Count = 1.71
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 (7 from 90,809 patents)
7 patents:
1. 4984284 - Image processing apparatus
2. 4947267 - Image reading apparatus
3. 4639791 - Image overlay apparatus with electronic image storage
4. 4501419 - Collator having a transfer capability
5. 4466006 - Recording apparatus
6. 4395111 - Sheet conveying device
7. 4229650 - Position and presence detecting device for stacked sheet members