Average Co-Inventor Count = 6.00
ph-index = 1
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 Kagaku Kabushiki Kaisha (4 from 138 patents)
4 patents:
1. 4665166 - Process for preparing cephalosporin compounds
2. 4656264 - Bicyclic azetidinone intermediates
3. 4622178 - Process for preparing azetidinone derivatives
4. 4604457 - 2-substituted cephem derivatives and process for preparing the same