Average Co-Inventor Count = 5.00
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. Nippon Kayaku Kabushiki Kaisha (1 from 775 patents)
1 patent:
1. 11034849 - Ink emulsion composition and water-based ink