Average Co-Inventor Count = 5.83
ph-index = 1
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. Merck + Co., Inc. (2 from 4,770 patents)
2 patents:
1. 5808082 - Method of preparing phosphodiesterase IV inhibitors
2. 5489685 - Method of synthesizing furo[2,3-b]pyridine carboxylic acid esters