Average Co-Inventor Count = 2.25
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 (3 from 30,069 patents)
3 patents:
1. 5644222 - Process for testing an electronic electricity meter
2. 5177433 - Current-voltage transformer for electronic house-service meter
3. 5032974 - Three-phase alternating current circuit configuration, for using a power