Average Co-Inventor Count = 2.14
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 (5 from 33,464 patents)
5 patents:
1. 8899740 - Print medium conveyance device and printing device
2. 8355301 - Disc transportation mechanism and disk processing device
3. 7934827 - Printer and media processing device
4. 7889611 - Media processor capable of efficiently discarding media
5. 6501558 - Data separating interface apparatus and method