- All sections
- H - Electricity
- H02B - Boards, substations or switching arrangements for the supply or distribution of electric power
- H02B 1/54 - Anti-seismic devices or installations
Patent holdings for IPC class H02B 1/54
Total number of patents in this class: 79
10-year publication summary
|
3
|
3
|
7
|
3
|
8
|
14
|
9
|
1
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24303 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3098 |
6 |
| Mitsubishi Electric Corporation | 47065 |
5 |
| Nasan Electric Industries Co., Ltd | 11 |
4 |
| Coil Holding GmbH | 22 |
3 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 569 |
3 |
| KD Power Co., Ltd. | 15 |
3 |
| Jiangsu Zhongdianke Electric Power Design Institute Co., Ltd. | 8 |
3 |
| ABB Schweiz AG | 7230 |
2 |
| General Electric Technology GmbH | 1368 |
2 |
| Hitachi Energy Switzerland AG | 300 |
2 |
| Pagman Technology (Taicang) Co., Ltd. | 8 |
2 |
| Hitachi Energy Ltd. | 2347 |
2 |
| International Business Machines Corporation | 61792 |
1 |
| Toyota Motor Corporation | 33622 |
1 |
| Yazaki Corporation | 6836 |
1 |
| ABB Technology AG | 1243 |
1 |
| Gaontech Co., Ltd. | 5 |
1 |
| HSP Hochspannungsgeräte GmbH | 139 |
1 |
| Huaneng Clean Energy Research Institute | 488 |
1 |
| Other owners | 28 |