Average Co-Inventor Count = 1.33
ph-index = 1
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 (2 from 33,404 patents)
2 patents:
1. 12384174 - Printing apparatus and controlling method
2. 8749828 - Facsimile apparatus