Average Co-Inventor Count = 2.32
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. Seiko Epson Corporation (14 from 33,442 patents)
14 patents:
1. 12391500 - Medium feeding device and image reading apparatus
2. 12180025 - Image reading apparatus
3. 11936823 - Medium transport device and image reading apparatus
4. 11785155 - Image reading apparatus
5. 11683426 - Medium feeding device and image reading apparatus
6. 11339013 - Medium feeding apparatus
7. 11050895 - Image reading apparatus with a nipping position above the document guide
8. 10961067 - Medium feeding apparatus and image reading apparatus
9. 10584005 - Medium feed device and image reading apparatus
10. 10015335 - Medium transport device and image reading apparatus
11. 9724934 - Recording apparatus
12. 9550384 - Recording apparatus
13. 9409428 - Recording apparatus
14. 9085162 - Recording apparatus