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. The United States of America As Represented by the Department of Energy (1 from 902 patents)
2. Martin Marietta Energy Systems, Inc. (1 from 266 patents)
2 patents:
1. 6291061 - Hydrogen gettering packing material, and process for making same
2. 5207838 - Nonhazardous solvent composition and method for cleaning metal surfaces