- 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: 475
10-year publication summary
|
39
|
33
|
42
|
44
|
39
|
22
|
35
|
39
|
21
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42647 |
20 |
| Mitsubishi Electric Corporation | 45998 |
20 |
| FANUC Corporation | 6640 |
20 |
| Denso Corporation | 24248 |
12 |
| Siemens AG | 24518 |
9 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1453 |
7 |
| Kabushiki Kaisha Yaskawa Denki | 1481 |
6 |
| Otis Elevator Company | 2670 |
6 |
| LG Electronics Inc. | 72890 |
5 |
| Toyota Motor Corporation | 31903 |
5 |
| Texas Instruments Incorporated | 19479 |
5 |
| Delta Electronics, Inc. | 2604 |
5 |
| Kone Oyj | 2084 |
5 |
| Mainspring Energy, Inc. | 111 |
5 |
| Honda Motor Co., Ltd. | 25192 |
4 |
| Hitachi Construction Machinery Co., Ltd. | 2638 |
4 |
| Hyundai Motor Company | 21938 |
4 |
| Hamilton Sundstrand Corporation | 4860 |
4 |
| Edwards Japan Limited | 420 |
4 |
| Lsis Co., Ltd. | 816 |
4 |
| Other owners | 321 |