Average Co-Inventor Count = 3.00
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. Pfizer Corporation (2 from 4,455 patents)
2 patents:
1. 6537573 - Combination dosage form comprising cetirizine and pseudoephedrine
2. 6171618 - Combination dosage form comprising cetirizine and pseudoephedrine