Average Co-Inventor Count = 4.29
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. Otsuka Kagaku Kabushiki Kaisha (2 from 138 patents)
2. Taiho Pharmaceutical Company Limited (1 from 318 patents)
3. Otsuka Chemical Co., Ltd. (1 from 167 patents)
3 patents:
1. 8293893 - Method for producing 6-hydroxyethylpenam compound
2. 6420554 - Process for preparation of 3-cephem compound
3. 5698544 - Cephem compound, process for producing the compound, and antimicrobial