Average Co-Inventor Count = 2.47
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. Sony Corporation (1 from 58,131 patents)
2. Nec Corporation (1 from 35,734 patents)
3. Sony Group Corporation (1 from 3,475 patents)
4. Hitachi Astemo Ltd. (1 from 1,220 patents)
4 patents:
1. 12450953 - In-vehicle device, vehicle movement analysis system
2. 12026748 - Information collection system, electronic shelf label, electronic pop advertising, and character information display device
3. 11403672 - Information collection system, electronic shelf label, electronic pop advertising, and character information display device
4. 5802372 - Language processing system