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. Yoshitomi Pharmaceutical Industries, Ltd. (2 from 198 patents)
2 patents:
1. 4450165 - Dihydropyridine compounds
2. 4423052 - 1,4-Dihydropyridine-3,5-dicarboxylic acid ester derivatives