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 6,896 patents)
2 patents:
1. 6784321 - Process for producing retinol and intermediate compounds for producing the same
2. 6660888 - Process for producing retinol and intermediate compounds for producing the same