- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling 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: 459
10-year publication summary
|
32
|
39
|
32
|
42
|
44
|
39
|
20
|
32
|
33
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
22 |
| Robert Bosch GmbH | 40953 |
19 |
| FANUC Corporation | 5803 |
19 |
| Denso Corporation | 23338 |
11 |
| Siemens AG | 24990 |
9 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
7 |
| Toyota Motor Corporation | 28582 |
6 |
| Delta Electronics, Inc. | 2401 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| LG Electronics Inc. | 69257 |
5 |
| Texas Instruments Incorporated | 19376 |
5 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
5 |
| Otis Elevator Company | 2677 |
5 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
5 |
| Kone Oyj | 2000 |
5 |
| Mainspring Energy, Inc. | 98 |
5 |
| Hyundai Motor Company | 19021 |
4 |
| Rockwell Automation Technologies, Inc. | 2547 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| Edwards Japan Limited | 376 |
4 |
| Other owners | 304 |