Average Co-Inventor Count = 2.00
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. Pharmacia & Upjohn Ab (1 from 76 patents)
2. Vitrum Ab (1 from 2 patents)
2 patents:
1. 5709659 - Non-reusable injection device
2. 4411358 - Package