Average Co-Inventor Count = 2.40
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 (4 from 33,464 patents)
4 patents:
1. 11865849 - Printer
2. 11731439 - Printer
3. 11214071 - Printer and ink supply unit
4. 10730324 - Inkjet printer