Average Co-Inventor Count = 1.33
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. 5900537 - Test gas leakage detector
2. 5663487 - Capillary tube determining the leakage rate for a test leak