- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/12 - 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
Patent holdings for IPC class H02H 7/12
Total number of patents in this class: 752
10-year publication summary
|
49
|
48
|
75
|
91
|
76
|
53
|
56
|
49
|
44
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24568 |
28 |
| Rohm Co., Ltd. | 6411 |
24 |
| Mitsubishi Electric Corporation | 45752 |
23 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 339 |
18 |
| Samsung Electronics Co., Ltd. | 143812 |
14 |
| Texas Instruments Incorporated | 19493 |
14 |
| Robert Bosch GmbH | 42411 |
14 |
| ABB Schweiz AG | 6873 |
13 |
| Infineon Technologies Austria AG | 2127 |
10 |
| Fuji Electric Co., Ltd. | 5098 |
10 |
| Huawei Digital Power Technologies Co. Ltd. | 2072 |
10 |
| General Electric Technology GmbH | 1457 |
9 |
| Denso Corporation | 24099 |
8 |
| Murata Manufacturing Co., Ltd. | 24302 |
8 |
| Rockwell Automation Technologies, Inc. | 2716 |
8 |
| General Electric Company | 13823 |
7 |
| Huawei Technologies Co., Ltd. | 110803 |
7 |
| Dialog Semiconductor (UK) Limited | 441 |
7 |
| FANUC Corporation | 6581 |
7 |
| GE Energy Power Conversion Technology Ltd | 423 |
7 |
| Other owners | 506 |