Average Co-Inventor Count = 1.64
ph-index = 1
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 30,045 patents)
3 patents:
1. 9303753 - Device for ventilating transmissions
2. 9051957 - Oil retaining ring
3. 8800406 - Transmission series