Average Co-Inventor Count = 6.00
ph-index = 5
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. Fujitsu Corporation (9 from 39,230 patents)
2. Pfu Limited (9 from 677 patents)
9 patents:
1. 5606430 - Image reading apparatus having projections on surface of hopper near
2. 5537225 - Attachment of a light source in an image reading apparatus
3. 5537219 - Movable image reading apparatus
4. 5510909 - Image reading apparatus having a paper guide mechanism with spring
5. 5504587 - Image reading apparatus
6. 5493417 - Image reading apparatus with document width sensor
7. 5493422 - Image reading apparatus with transparent guide forming separate arc
8. 5491567 - Image reading apparatus
9. 5453852 - Paper feed roller structure for image reading apparatus