Average Co-Inventor Count = 8.89
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 33,442 patents)
2 patents:
1. 10343409 - Liquid jet apparatus, tank unit, and printer
2. 10183491 - Cap attached to ink tank of printer