Average Co-Inventor Count = 3.00
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 (3 from 30,040 patents)
3 patents:
1. 7286989 - Speech-processing system and method
2. 6381574 - Device for reproducing information or executing functions
3. 6085112 - Communication device