Average Co-Inventor Count = 1.89
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. Terumo Kabushiki Kaisha (3 from 2,310 patents)
3 patents:
1. D328252 - Plug for blood collecting tube
2. 5020220 - Device for opening film-like closure
3. 4985026 - Blood collecting tube