Average Co-Inventor Count = 3.44
ph-index = 3
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. (7 from 1,858 patents)
7 patents:
1. 6221637 - Xanthene derivatives, their production and use
2. 5498627 - Octahydro-2-naphthalenecarboxylic acid derivative, its production and use
3. 5478808 - 2-amino-6,7-dihydroxy-4-thiaheptanoic acid derivatives, production and
4. 5478809 - TAN-1511, its derivatives, production and use thereof
5. 5196564 - Physiologically active substance TAN-931, its derivatives, their
6. 5013757 - Physiologically active substance Tan-931, its derivatives, their
7. 4935543 - Physiologically active substance tan-931, its derivatives, their