Average Co-Inventor Count = 4.00
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. San-ei Gen F.f.i., Inc. (1 from 47 patents)
1 patent:
1. 7192456 - Method of preparing a purified purple corn coloring agent