Average Co-Inventor Count = 5.83
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. Taiho Pharmaceutical Company Limited (2 from 319 patents)
2 patents:
1. 4556737 - Sulfonium compounds, processes for preparing the compounds and
2. 4507239 - Penicillin derivatives and process for preparation