Average Co-Inventor Count = 3.33
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. Amstar Corporation (3 from 14 patents)
3 patents:
1. 4154655 - Method for the production of cephalosporin C
2. 4003791 - Material useful for and method of employing the same for the growing of
3. 3950225 - Medium, component thereof and process employing same for the production