Average Co-Inventor Count = 1.25
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. Denso Corporation (4 from 19,769 patents)
4 patents:
1. 10936890 - Vehicle device
2. 8818459 - Hands-free device
3. 8190214 - In-vehicle handsfree apparatus
4. 8175657 - In-vehicle apparatus with handsfree function