Average Co-Inventor Count = 3.20
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. Hoffmann-la Roche Inc. (4 from 4,945 patents)
4 patents:
1. 4610989 - Analgesic composition containing a mixture of
2. 4178289 - Carbazole acetic acid derivatives
3. 4150031 - Hydroxy methyl carbazole acetic acid and esters
4. 4009181 - Cyclopenta[b]indole-2-carboxylic acids and derivatives thereof