Average Co-Inventor Count = 5.00
ph-index = 4
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 Vdo Automotive Corporation (2 from 583 patents)
2. Siemens Automotive Corporation (1 from 541 patents)
3. Continental Automotive Systems Us, Inc. (1 from 222 patents)
4. Trapeze Software Inc. (1 from 10 patents)
5. Siemens Transportation Systems, Inc. (1 from 5 patents)
6 patents:
1. 9406035 - System and method of communications
2. 7336969 - Multiple channel communications system
3. 6950658 - Multiple channel communications system
4. 6653747 - Electronic key system including ignition and transmission control
5. 6386447 - Smart card with card in vehicle warning
6. 6370381 - Multiple channel communications system