Average Co-Inventor Count = 4.00
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. Fisons Ltd. (2 from 313 patents)
2 patents:
1. 4518612 - Naphthalene and 2-oxo-benzopyran acids and derivatives and
2. 4424231 - Compounds