Average Co-Inventor Count = 1.75
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 Schweiz Ag (1 from 244 patents)
2. Siemens Vdo Automotive Ag (1 from 44 patents)
2 patents:
1. 7143049 - Method and system for registering tickets
2. 6637665 - Carrier element for an antenna