Average Co-Inventor Count = 3.43
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. Schott Ruhrglas Gmbh (2 from 5 patents)
2 patents:
1. 4516998 - Method of making tubular vials and ampules
2. 4250687 - Packaged tubes or rods