Average Co-Inventor Count = 4.44
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. Toyo Ink Manufacturing Company (2 from 223 patents)
2 patents:
1. 4189423 - Process for the preparation of polyolefin moldings
2. 4088507 - Phthalocyanine pigment compositions