Average Co-Inventor Count = 7.87
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 (2 from 33,490 patents)
2. Mitsui Chemicals, Inc. (2 from 1,788 patents)
2 patents:
1. 10752796 - Water-based inkjet ink composition
2. 9873814 - Ink composition