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. Siemens Aktiengesellschaft (2 from 30,034 patents)
2 patents:
1. 4199687 - Sheet film changer
2. 4049967 - X-ray examining apparatus including a tomographic exposure installation