Average Co-Inventor Count = 4.44
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. Merck + Co., Inc. (4 from 4,770 patents)
4 patents:
1. 4661479 - Bicyclic lactams as antihypertensives
2. 4472380 - Amino acid derivatives as antihypertensives
3. 4415496 - Bicyclic lactams
4. 4374829 - Aminoacid derivatives as antihypertensives