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. 5400604 - Cryopump and process for regenerating said cryopump
2. 5221190 - Ion sputtering pump with getter module