- 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: 1471
10-year publication summary
|
123
|
147
|
180
|
111
|
103
|
111
|
94
|
79
|
64
|
58
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
108 |
| Nidec Corporation | 2817 |
76 |
| Denso Corporation | 25579 |
48 |
| Aisin AW Co., Ltd. | 2254 |
27 |
| Valeo Equipements Electriques Moteur | 940 |
26 |
| Daikin Industries, Ltd. | 10504 |
24 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
23 |
| LG Innotek Co., Ltd. | 8486 |
22 |
| Hitachi Automotive Systems, Ltd. | 3954 |
20 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6177 |
20 |
| Honda Motor Co., Ltd. | 26034 |
18 |
| Robert Bosch GmbH | 44176 |
17 |
| Mitsuba Corporation | 822 |
16 |
| Kabushiki Kaisha Yaskawa Denki | 1463 |
14 |
| Mitsui High-tec, Inc. | 262 |
14 |
| Nissan Motor Co., Ltd. | 12966 |
13 |
| Schaeffler Technologies AG & Co. KG | 11003 |
13 |
| Toshiba Infrastructure Systems & Solutions Corporation | 662 |
12 |
| Toyota Motor Corporation | 35813 |
10 |
| Other owners | 926 |