- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/122 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
Patent holdings for IPC class H02H 7/122
Total number of patents in this class: 822
10-year publication summary
|
49
|
61
|
68
|
44
|
49
|
34
|
32
|
30
|
33
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47602 |
35 |
| Siemens AG | 24200 |
29 |
| Denso Corporation | 25183 |
26 |
| Semiconductor Components Industries, L.L.C. | 5260 |
23 |
| Fuji Electric Co., Ltd. | 5390 |
19 |
| Huawei Digital Power Technologies Co. Ltd. | 2454 |
18 |
| Robert Bosch GmbH | 43587 |
17 |
| ABB Schweiz AG | 7441 |
15 |
| Toyota Motor Corporation | 34633 |
13 |
| Eaton Intelligent Power Limited | 6158 |
13 |
| SolarEdge Technologies Ltd. | 628 |
12 |
| Sungrow Power Supply Co., Ltd. | 677 |
11 |
| Hitachi Astemo, Ltd. | 6409 |
11 |
| TMEIC Corporation | 868 |
11 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 337 |
10 |
| Future Systems Besitz GmbH | 29 |
9 |
| Rohm Co., Ltd. | 6747 |
8 |
| Lsis Co., Ltd. | 814 |
7 |
| Power Integrations, Inc. | 565 |
7 |
| LS ELECTRIC Co., Ltd | 789 |
7 |
| Other owners | 521 |