Average Co-Inventor Count = 2.86
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. Roke Manor Research Limited (2 from 139 patents)
2. Siemens Aktiengesellschaft (30,040 patents)
2 patents:
1. 7206585 - Location-dependent data collection
2. 7155240 - Method of determining the position of a target using transmitters of opportunity