Average Co-Inventor Count = 5.00
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. (1 from 2,170 patents)
2. Pharmacia & Upjohn Company (1 from 523 patents)
2 patents:
1. 5698418 - Fermentation media and methods for controlling norleucine in polypeptides
2. 5622845 - Fermentation method for producing norleucine