Average Co-Inventor Count = 5.00
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. Pharmacia & Upjohn Ab (1 from 76 patents)
2. Astra Ab (1 from 46 patents)
2 patents:
1. 5912271 - Pharmaceutical preparation for pain management
2. 5908846 - Topical compositions for transdermal delivery of prodrug derivatives of