Average Co-Inventor Count = 2.00
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 (2 from 6,858 patents)
2 patents:
1. 5128124 - Transdermal therapeutic system for active ingredient combinations
2. 4913905 - Transdermal therapeutic systems for active ingredient combinations