Average Co-Inventor Count = 3.03
ph-index = 6
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. Hitachi, Ltd. (11 from 42,496 patents)
2. Clarion Co (6 from 1,057 patents)
3. Hitachi Automotive Systems, Ltd. (4 from 2,028 patents)
4. Renesas Electronics Corporation (1 from 7,525 patents)
5. Hitachi Astemo Ltd. (1,210 patents)
22 patents:
1. 11294795 - Fault reproduction assist system, fault reproduction assist method
2. 10437695 - Fault information providing server and fault information providing method for users of in-vehicle terminals
3. 10303168 - On-vehicle control device, host vehicle position and posture specifying device, and on-vehicle display device
4. 10166981 - Traveling control device, on-vehicle display device, and traveling control system
5. 10116325 - Data compression/decompression device
6. 9707971 - Driving characteristics diagnosis device, driving characteristics diagnosis system, driving characteristics diagnosis method, information output device, and information output method
7. 9650052 - Driving diagnosis method and driving diagnosis apparatus
8. 9641602 - Service provision system
9. 9521649 - In-vehicle apparatus and display control system for the same
10. 9515829 - Information distribution method, information distribution system and in-vehicle terminal
11. 9454903 - Road information sharing method, road information sharing system, road information sharing device, and road information sharing program
12. 9308827 - Reachable range calculation apparatus, method, and program
13. 9170118 - Navigation system for electric vehicle
14. 8832183 - Method for communication between server processing apparatus and client processing apparatus
15. 8825385 - Information terminal device, information terminal management system, and storage medium in which program is stored