Average Co-Inventor Count = 2.40
ph-index = 4
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 (6 from 30,040 patents)
6 patents:
1. 4971039 - Lithotripsy work station
2. 4836191 - Lithotripsy work station
3. 4819638 - Apparatus for non-contacting disintegration of calculi
4. 4796613 - Lithotripsy work station
5. 4618974 - Dental X-ray diagnostic unit
6. 3976889 - X-ray diagnostic apparatus