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 (2 from 33,404 patents)
2 patents:
1. 12177388 - Recording apparatus including reading unit for checking nozzle check pattern
2. 11283950 - Recording apparatus and opening/closing apparatus that includes a rotation regulator with a spring wherein the spring force changes based on the contact or separation of a rib with a rotation regulation member when a part of the apparatus changes pivoting