Average Co-Inventor Count = 2.70
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 Systems Gmbh (2 from 51 patents)
2. Unaxis Deutschland Holding Gmbh (1 from 5 patents)
3 patents:
1. 6814839 - Interference layer system
2. 6451178 - Interference layer system
3. 6241824 - Apparatus for the coating of substrates in a vacuum chamber