- 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: 1356
10-year publication summary
|
83
|
91
|
122
|
146
|
177
|
108
|
101
|
108
|
89
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
110 |
| Nidec Corporation | 2579 |
71 |
| Denso Corporation | 23338 |
46 |
| Valeo Equipements Electriques Moteur | 1036 |
30 |
| Aisin AW Co., Ltd. | 2430 |
28 |
| Daikin Industries, Ltd. | 9495 |
27 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
21 |
| LG Innotek Co., Ltd. | 6758 |
21 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
21 |
| Hitachi Automotive Systems, Ltd. | 3970 |
20 |
| Honda Motor Co., Ltd. | 24537 |
17 |
| Robert Bosch GmbH | 40953 |
17 |
| Mitsui High-tec, Inc. | 265 |
16 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
14 |
| Mitsuba Corporation | 806 |
14 |
| Toshiba Infrastructure Systems & Solutions Corporation | 957 |
12 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
12 |
| Siemens AG | 24990 |
10 |
| Hitachi, Ltd. | 16452 |
10 |
| Other owners | 815 |