- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 1/22 - Rotating parts of the magnetic circuit
Patent holdings for IPC class H02K 1/22
Total number of patents in this class: 1415
10-year publication summary
|
91
|
123
|
146
|
180
|
111
|
103
|
111
|
92
|
78
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45899 |
106 |
| Nidec Corporation | 2648 |
74 |
| Denso Corporation | 24190 |
47 |
| Valeo Equipements Electriques Moteur | 1001 |
30 |
| Aisin AW Co., Ltd. | 2333 |
27 |
| Daikin Industries, Ltd. | 9977 |
26 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
23 |
| GREE Electric Appliances, Inc. of Zhuhai | 3228 |
23 |
| LG Innotek Co., Ltd. | 7571 |
21 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
21 |
| Hitachi Automotive Systems, Ltd. | 3958 |
20 |
| Honda Motor Co., Ltd. | 25150 |
17 |
| Robert Bosch GmbH | 42596 |
17 |
| Mitsui High-tec, Inc. | 265 |
16 |
| Mitsuba Corporation | 806 |
15 |
| Kabushiki Kaisha Yaskawa Denki | 1485 |
14 |
| Toshiba Infrastructure Systems & Solutions Corporation | 1057 |
12 |
| Siemens AG | 24552 |
11 |
| Nissan Motor Co., Ltd. | 12422 |
11 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12847 |
11 |
| Other owners | 873 |