Average Co-Inventor Count = 2.00
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. The Upjohn Co. (3 from 2,170 patents)
3 patents:
1. 4450159 - Carbamic acid derivatives as selective immunosuppresive agents
2. 4352929 - 1,3-Thiazin-4-one
3. 4254142 - Dithiocarbanilic acids and use thereof as immunosuppressive agent