- 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: 1425
10-year publication summary
|
87
|
121
|
140
|
176
|
107
|
94
|
107
|
89
|
77
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46590 |
106 |
| Nidec Corporation | 2684 |
74 |
| Denso Corporation | 24562 |
47 |
| Valeo Equipements Electriques Moteur | 992 |
29 |
| Daikin Industries, Ltd. | 10111 |
27 |
| Aisin AW Co., Ltd. | 2319 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
23 |
| GREE Electric Appliances, Inc. of Zhuhai | 3252 |
23 |
| LG Innotek Co., Ltd. | 7834 |
21 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6262 |
21 |
| Hitachi Automotive Systems, Ltd. | 3955 |
20 |
| Honda Motor Co., Ltd. | 25780 |
17 |
| Robert Bosch GmbH | 42826 |
17 |
| Mitsui High-tec, Inc. | 264 |
16 |
| Mitsuba Corporation | 814 |
15 |
| Kabushiki Kaisha Yaskawa Denki | 1470 |
14 |
| Toshiba Infrastructure Systems & Solutions Corporation | 711 |
12 |
| Siemens AG | 24353 |
11 |
| Nissan Motor Co., Ltd. | 12572 |
11 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12749 |
11 |
| Other owners | 883 |