Average Co-Inventor Count = 5.14
ph-index = 3
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. The Upjohn Co. (3 from 2,170 patents)
3 patents:
1. 5322943 - Piperazine compounds which are substituted
2. 5175281 - Pharmaceutically active pyrimidinylpiperazinylsterioids
3. 5099019 - Amines useful in producing pharmaceutically active CNS compounds