Average Co-Inventor Count = 2.00
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 6,896 patents)
2 patents:
1. 6639086 - Process for producing propylene oxide
2. 6600054 - Process for producing propylene oxide