- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 3/18 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor
Patent holdings for IPC class H02P 3/18
Total number of patents in this class: 481
10-year publication summary
|
33
|
42
|
44
|
39
|
22
|
35
|
42
|
23
|
20
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FANUC Corporation | 7235 |
20 |
| Robert Bosch GmbH | 44176 |
19 |
| Mitsubishi Electric Corporation | 48048 |
19 |
| Denso Corporation | 25579 |
12 |
| Siemens AG | 24020 |
10 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1544 |
7 |
| Texas Instruments Incorporated | 19653 |
6 |
| Kabushiki Kaisha Yaskawa Denki | 1463 |
6 |
| Otis Elevator Company | 2702 |
6 |
| LG Electronics Inc. | 75818 |
5 |
| Toyota Motor Corporation | 35813 |
5 |
| Delta Electronics, Inc. | 2830 |
5 |
| Kone Oyj | 2156 |
5 |
| Mainspring Energy, Inc. | 123 |
5 |
| Honda Motor Co., Ltd. | 26034 |
4 |
| Hitachi Construction Machinery Co., Ltd. | 2755 |
4 |
| Hyundai Motor Company | 24703 |
4 |
| Hamilton Sundstrand Corporation | 5014 |
4 |
| Hilti Aktiengesellschaft | 3675 |
4 |
| Edwards Japan Limited | 439 |
4 |
| Other owners | 327 |