Average Co-Inventor Count = 2.42
ph-index = 4
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. Riker Laboratories Inc. (4 from 193 patents)
4 patents:
1. 5736553 - Topical formulations and transdermal delivery systems containing
2. 5238944 - Topical formulations and transdermal delivery systems containing
3. 5223261 - Transdermal estradiol delivery system
4. 4751087 - Transdermal nitroglycerin delivery system