Average Co-Inventor Count = 3.60
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. Other (1 from 832,680 patents)
2. Sony Corporation (1 from 58,129 patents)
3. Denso Corporation (1 from 19,697 patents)
4. Renesas Electronics Corporation (1 from 7,524 patents)
5. Sony Co., Ltd. (3 patents)
3 patents:
1. 9197875 - Image processing device and image processing method
2. 6954696 - Navigation device, map displaying method and image display device
3. 6772063 - Navigation device, digital map display system, digital map displaying method in navigation device, and program