Average Co-Inventor Count = 2.00
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. Vehicle Systems Incorporated (4 from 5 patents)
4 patents:
1. 7007857 - Compact vehicle heating apparatus and method
2. 6732940 - Compact vehicle heating apparatus and method
3. 6572026 - Compact vehicle heating apparatus and method
4. 6332580 - Compact vehicle heating apparatus and method