Average Co-Inventor Count = 4.44
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. Shionogi Company Limited (2 from 1,001 patents)
2 patents:
1. 4370414 - Process for producing 6-aminopenicillanic acid and 6-aminopenicillanic
2. 4340672 - Enzymatic synthesis of .beta.-lactam antibacterials