- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 7/00 - 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
Patent holdings for IPC class H02H 7/00
Total number of patents in this class: 1000
10-year publication summary
|
51
|
38
|
63
|
45
|
49
|
56
|
56
|
59
|
42
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Wiring Systems, Ltd. | 10405 |
41 |
| Sumitomo Electric Industries, Ltd. | 15557 |
40 |
| AutoNetworks Technologies, Ltd. | 6623 |
40 |
| Denso Corporation | 24387 |
22 |
| Siemens AG | 24436 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
18 |
| Schweitzer Engineering Laboratories, Inc. | 915 |
18 |
| Semiconductor Components Industries, L.L.C. | 5270 |
17 |
| Tokamak Energy Ltd | 192 |
15 |
| Eaton Intelligent Power Limited | 6009 |
15 |
| Hitachi Energy Ltd. | 2240 |
13 |
| Mitsubishi Electric Corporation | 46295 |
12 |
| Rohm Co., Ltd. | 6464 |
10 |
| Hamilton Sundstrand Corporation | 4902 |
10 |
| ABB S.p.A. | 440 |
10 |
| Texas Instruments Incorporated | 19450 |
9 |
| Infineon Technologies AG | 8244 |
9 |
| ABB Schweiz AG | 7009 |
9 |
| Siemens Industry, Inc. | 1465 |
8 |
| Hitachi, Ltd. | 15531 |
7 |
| Other owners | 659 |