Average Co-Inventor Count = 3.27
ph-index = 3
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 (3 from 393 patents)
3 patents:
1. 5729065 - Magnetic bearing cell with rotor and stator
2. 5577883 - Gas friction vacuum pump having a cooling system
3. 5386166 - Magnetic bearing cell