Average Co-Inventor Count = 2.67
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. Leybold-Heraeus Gmbh (1 from 180 patents)
2. Leybold-Heraeus Gmbh & Co. Kg (1 from 40 patents)
2 patents:
1. 4791017 - Hard, gold-colored under layer for a gold or gold-containing surface
2. 4115653 - Electron beam vaporizer