Average Co-Inventor Count = 2.93
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. Denso Corporation (4 from 19,707 patents)
2. Subaru Corporation (1 from 2,043 patents)
4 patents:
1. 11222552 - Driving teaching device
2. 11167760 - Vehicle alarming system
3. 11077858 - Vehicle driver state determination apparatus
4. 10509122 - Driving burden estimation device and driving burden estimation method