Average Co-Inventor Count = 4.10
ph-index = 12
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. (23 from 42,508 patents)
2. Clarion Co (4 from 1,057 patents)
3. Hitachi Automotive Systems, Ltd. (3 from 2,028 patents)
30 patents:
1. 12401678 - Computer system and analysis method for impact of security risk
2. 11332163 - In-vehicle device and incident monitoring method
3. 11106787 - Information processing device and information processing method
4. 10928205 - In-vehicle device and vehicle
5. 10726161 - Information processing device and malicious message detection method
6. 10708062 - In-vehicle information communication system and authentication method
7. 10560286 - Gateway device and control method for the same
8. 10499219 - Information sharing system, computer, and information sharing method without using confidential information provided in advance
9. 10348746 - Incident detection system including gateway device and server
10. 10127740 - Inspection apparatus, inspection system, and inspection method
11. 10051004 - Evaluation system
12. 9124616 - Computer system management method and client computer
13. 8850592 - Unauthorized operation detection system and unauthorized operation detection method
14. 8533850 - Fraudulent manipulation detection method and computer for detecting fraudulent manipulation
15. 8510572 - Remote access system, gateway, client device, program, and storage medium