Average Co-Inventor Count = 3.75
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. Other (1 from 832,680 patents)
2. Otsuka Kagaku Kabushiki Kaisha (1 from 138 patents)
2 patents:
1. 6887992 - 3-cephem derivative crystal
2. 6656328 - Process for preparation of polyhydric alcohols