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. Meiji Seika Kaisha, Ltd. (2 from 382 patents)
2 patents:
1. 5596096 - Azetidinone derivatives and method for producing azetidinone and
2. 5405955 - Method for producing azetidinone and cephalosporin derivatives