- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 49/02 - Dynamo-electric clutchesDynamo-electric brakes of the asynchronous induction type
Patent holdings for IPC class H02K 49/02
Total number of patents in this class: 69
10-year publication summary
|
12
|
6
|
6
|
1
|
5
|
2
|
0
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6274 |
10 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
10 |
| Nabtesco Corporation | 890 |
8 |
| THK Co., Ltd. | 1195 |
4 |
| MagnaDrive Corporation | 5 |
3 |
| Sumitomo Metal Industries, Ltd. | 377 |
3 |
| Eddy Current Limited Partnership | 39 |
2 |
| Japan Cash Machine Co., Ltd. | 263 |
2 |
| Jiangsu Magnet Valley Technologies Co., Ltd. | 5 |
2 |
| General Electric Company | 13810 |
1 |
| The Regents of the University of California | 19961 |
1 |
| Toyota Motor Corporation | 32450 |
1 |
| Hitachi Metals, Ltd. | 1977 |
1 |
| Denso Corporation | 24355 |
1 |
| Mitsubishi Electric Corporation | 46197 |
1 |
| Schaeffler Technologies AG & Co. KG | 9908 |
1 |
| NTN Corporation | 4973 |
1 |
| Audi AG | 7366 |
1 |
| Beijing Xiangtian Huachuang Aerodynamic Force Technology Research Institute Company Limited | 7 |
1 |
| Goodrich Corporation | 2132 |
1 |
| Other owners | 14 |