Average Co-Inventor Count = 3.53
ph-index = 5
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 Astemo Ltd. (44 from 1,192 patents)
2. Hitachi Automotive Systems, Ltd. (21 from 2,028 patents)
3. Hitachi High-tech Science Corporation (3 from 223 patents)
4. Ebara Corporation (1 from 2,508 patents)
5. Yokogawa Electric Corporation (1 from 1,325 patents)
6. Daido Tokushuko Kabushiki Kaisha (1 from 248 patents)
70 patents:
1. 12426217 - Electronic control device
2. 12311963 - Vehicle control device and vehicle control system
3. 12245384 - Signal transmission circuit and electronic control device
4. 12218027 - Electrical device and electronic control device with housings having fin arrangement and fan for air flow
5. 12213294 - Electronic control device
6. 12213279 - Electronic control device
7. 12171071 - Electronic control device
8. 12162511 - Vehicle control device and electronic control system
9. 12119964 - Electronic control device and determination method
10. 12119800 - Signal transmission circuit and signal transmission system
11. 12082376 - Electronic control device
12. 12080933 - Signal transmission device
13. 12065169 - Vehicle control device
14. 12058822 - Electronic control device
15. 12030488 - Electronic control device