Average Co-Inventor Count = 2.67
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. 11932039 - Pretreatment device, method of pretreatment for pretreatment device, and printing apparatus
2. 11898043 - Ink jet ink composition set and ink jet recording method