Average Co-Inventor Count = 14.41
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. Richter Gedeon Vegyeszeti Gyar Rt (1 from 346 patents)
2. Richter Gedeon Vegyeszeti Gmbh (1 from 2 patents)
2 patents:
1. 6093720 - Trans apovincaminic acid ester derivatives
2. 4810709 - Nintrovincaminic acid derivatives having pharmaceutical utility