Average Co-Inventor Count = 2.40
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. Sterling Winthrop Inc. (3 from 206 patents)
3 patents:
1. 5413563 - Pre-filled syringe having a plunger, plunger insert and plunger rod
2. D349648 - Closure for vials
3. 5232109 - Double-seal stopper for parenteral bottle