Average Co-Inventor Count = 2.40
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 Vakuum Gmbh (2 from 53 patents)
2. Leybold Aktiengesellschaft (1 from 393 patents)
3 patents:
1. 6065295 - Low-temperature refrigerator with cold head and a process for optimizing
2. 5906099 - Refrigerator
3. 5878580 - Method of operating a cryogenic cooling device, and a cryogenic cooling