Average Co-Inventor Count = 8.47
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. Meiji Seika Kaisha, Ltd. (2 from 382 patents)
2 patents:
1. 6498251 - Tetrahydrobenzindole derivatives
2. 6355642 - Tetrahydrobenzindole compounds