Average Co-Inventor Count = 4.33
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. Pharmacia Ab (2 from 184 patents)
2. Pharmacia & Upjohn Ab (1 from 76 patents)
3. Pfizer Health Ab (1 from 7 patents)
4 patents:
1. 7008637 - Transdermally administered tolterodine as anti-muscarinic agent for the treatment of overactive bladder
2. 6770295 - Therapeutic formulation for administering tolterodine with controlled release
3. 6517864 - Transdermally administered tolterodine as anti-muscarinic agent for the treatment of overactive bladder
4. 6335030 - Transdermally administered dextromethorphan as antitussive agent