Average Co-Inventor Count = 2.40
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. Hoffmann-la Roche Inc. (3 from 4,942 patents)
3 patents:
1. 6288280 - Racemization of atropisomeric bis(phosphine oxide) compounds
2. 5536858 - Tetrasulfonated diphosphine compounds and metal complexes thereof for
3. 4026778 - Photochemical isomerization of vitamin A compounds