Average Co-Inventor Count = 4.24
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. Otsuka Pharmaceutical Company, Limited (4 from 845 patents)
2. Otsuka Pharmaceutical Factory, Inc. (1 from 188 patents)
4 patents:
1. 6034100 - Method for inhibiting cytokine secretion
2. 5886010 - TNF-.alpha.inhibitor
3. 5654343 - Method of treating a nitric oxide-associated disease with phenanthrene
4. 5192817 - Phenanthrene derivatives