Average Co-Inventor Count = 5.87
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 Pharmaceutical Factory, Inc. (1 from 188 patents)
2. Seikagaku Kogyo Kabushiki Kaisha (1 from 41 patents)
3. Hirosaki University (1 from 35 patents)
2 patents:
1. D975845 - Medicine administration device
2. D827814 - Needle hub for syringe