Average Co-Inventor Count = 3.20
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. Sumitomo Chemical Company, Limited (2 from 6,892 patents)
2 patents:
1. 5264151 - Optically active ester derivatives, preparation process thereof, liquid
2. 4985590 - Optically active benzene derivatives and process for preparation thereof