Average Co-Inventor Count = 4.00
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. Martin Marietta Energy Systems, Inc. (2 from 266 patents)
2 patents:
1. 5275802 - Tungsten-188/carrier-free rhenium-188 perrhenic acid generator system
2. 5186913 - Tungsten-188/carrier-free rhenium-188 perrhenic acid generator system