Average Co-Inventor Count = 2.50
ph-index = 2
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 (3 from 6,896 patents)
3 patents:
1. 6348617 - Method for purifying pyruvic acid compounds
2. 5573989 - Process for producing olefin oxides
3. 5525741 - Process for producing olefin oxides