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. Leybold Aktiengesellschaft (2 from 393 patents)
2 patents:
1. 4987346 - Particle source for a reactive ion beam etching or plasma deposition
2. 4869801 - Apparatus for mounting workpieces