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. Sumitomo Chemical Company, Limited (1 from 6,894 patents)
1 patent:
1. 5290495 - Process for granulating 2,2,6,6-tetramethylpiperidine-containing light