Average Co-Inventor Count = 3.14
ph-index = 3
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 42,508 patents)
11 patents:
1. 12154446 - Operational information management system and wearable sensor
2. 11875694 - Operational information management system and wearable sensor
3. 11653882 - Sensor data correction system
4. 11508018 - Work information management system and work information management method
5. 11443564 - Vehicle management system, vehicle management device, and vehicle management method
6. 10691112 - Manufacturing management method and manufacturing management system
7. 10657477 - Work data management system and work data management method
8. 9740747 - Similar design case example search apparatus
9. 9165041 - Products information management assistance apparatus
10. 7783531 - Container management method and container management system
11. 5576965 - Method and apparatus for aiding of designing process