Average Co-Inventor Count = 7.27
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. (2 from 2,170 patents)
2. Pharmacia & Upjohn Company (1 from 523 patents)
3. Theupjohn Company (1 from 1 patent)
4 patents:
1. 5703071 - Tropolone derivatives and pharmaceutical composition thereof for
2. 5594144 - Tropolone derivatives and pharmaceutical composition thereof for
3. 5506361 - Imidazobenzoquinones and composition for preventing or treating
4. 5442062 - Imidazole derivatives and pharmaceutical compositions containing the same