Average Co-Inventor Count = 4.09
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. Ciba-geigy Corporation (3 from 6,850 patents)
3 patents:
1. 4045580 - Pharmaceutical preparation using
2. 4017542 - 9-(2-Hydroxy-3-amino-propyl)-9,10-dihydro-9,10-ethano-anthracenes and
3. 3968142 - Hydronaphthalene carboxylic acids and derivatives