- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 25/022 - Synchronous motors
Patent holdings for IPC class H02P 25/022
Total number of patents in this class: 275
10-year publication summary
|
13
|
30
|
21
|
24
|
19
|
35
|
45
|
34
|
25
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24991 |
11 |
| Mitsubishi Electric Corporation | 47338 |
8 |
| Nidec Corporation | 2729 |
8 |
| Robert Bosch GmbH | 43268 |
7 |
| Steering Solutions IP Holding Corporation | 952 |
7 |
| Daikin Industries, Ltd. | 10215 |
5 |
| Jiangsu University | 1139 |
5 |
| Zhejiang University | 3318 |
5 |
| Zhejiang University Advanced Electrical Equipment Innovation Center | 15 |
5 |
| Toshiba Corporation | 12536 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 14859 |
4 |
| Schaeffler Technologies AG & Co. KG | 10526 |
4 |
| ABB Schweiz AG | 7313 |
4 |
| QM Power, Inc. | 53 |
4 |
| Southeast University | 1485 |
4 |
| Tula Technology, Inc. | 349 |
4 |
| Zhongshan Broad-Ocean Motor Co., Ltd. | 527 |
4 |
| Zhejiang University City College | 50 |
4 |
| Siemens AG | 24286 |
3 |
| Hitachi Automotive Systems, Ltd. | 3954 |
3 |
| Other owners | 172 |