Average Co-Inventor Count = 2.93
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. Clarion Co (4 from 1,057 patents)
4 patents:
1. 10452351 - Information processing device and information processing method
2. 8130975 - On-vehicle acoustic apparatus
3. D336471 - Mobile telephone
4. D335667 - Base for a mobile telephone