Average Co-Inventor Count = 10.00
ph-index = 3
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 4,945 patents)
3 patents:
1. 5830920 - Sulfuric acid esters of sugar alcohols
2. 5767268 - Sulfuric acid esters of amino sugars
3. 5521160 - Sulfuric acid esters of sugar alcohols