Average Co-Inventor Count = 3.00
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. Takeda Chemical Industries, Inc. (3 from 1,858 patents)
3 patents:
1. 4956358 - Tricyclic cepham compounds and use
2. 4891427 - Tricyclic cepham compounds
3. 4876251 - Tricyclic penam compounds, their production and their use