Average Co-Inventor Count = 4.29
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. Unitika Ltd. (2 from 391 patents)
2. The Green Cross Corporation (1 from 260 patents)
3 patents:
1. 5243027 - Method of preparing angiotensin converting enzyme inhibitors
2. 5098887 - Angiotensin converting enzyme inhibitor
3. 4775743 - Peptide derivatives