Average Co-Inventor Count = 6.86
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. Kabushiki Kaisha Vitamin Kenkyuso (1 from 3 patents)
2. Kabushiki Kaisha Vitamin Kenkyusho (1 from 1 patent)
2 patents:
1. 5061691 - Enkephalin analogs
2. 4987150 - Agent for inhibiting binding of 5-dihydro-testosterone with androgen