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. Takasago International Corporation (1 from 508 patents)
1 patent:
1. 5849961 - Optically active 1,1'-biphenanthryl-2,2'-diol, process for preparing the