Average Co-Inventor Count = 1.43
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 (5 from 393 patents)
5 patents:
1. 5786529 - Search gas detector with vacuum pump and process for operating such a
2. 5693888 - Heat conductance vacuum gauge with measuring cell, measuring instrument
3. 5608168 - Temperature compensation in a regulated heat conduction vacuum gauge
4. 5285140 - Gas friction pump
5. 5191799 - Measured value receiver for vacuum measurement