Average Co-Inventor Count = 3.43
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. Research Association for Utilization of Light Oil (2 from 28 patents)
2 patents:
1. 5256551 - Method of treating microorganism cells containing tryptophanase or
2. 4906572 - Method of culturing amino acid racemase-producing microorganism of genus