Average Co-Inventor Count = 5.00
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 (2 from 6,907 patents)
2 patents:
1. 4450114 - Process for production of sulfuric acid semiesters
2. 4351765 - Process for the production of compounds having in the molecule at least