Average Co-Inventor Count = 7.00
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 (1 from 33,418 patents)
2. Mikuni Shikiso Kabushiki Kaisha (1 from 5 patents)
1 patent:
1. 7524892 - Pigment dispersion and ink composition and ink set both containing the same