Average Co-Inventor Count = 2.90
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. Seiko Epson Corporation (3 from 33,464 patents)
3 patents:
1. 11288500 - Scan apparatus and scan result display program
2. 7558524 - Image reading system
3. 7355764 - Image reading system