- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 23/40 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by the arrangement of the magnet circuits
Patent holdings for IPC class H02K 23/40
Total number of patents in this class: 43
10-year publication summary
|
5
|
9
|
4
|
2
|
3
|
4
|
2
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43554 |
4 |
| Mitsuba Corporation | 815 |
4 |
| Johnson Electric International AG | 380 |
3 |
| Minebea Mitsumi Inc. | 1872 |
3 |
| Toshiba Corporation | 12693 |
2 |
| Linear Labs, Inc. | 75 |
2 |
| Stabilus GmbH | 237 |
2 |
| Mitsubishi Electric Corporation | 47556 |
1 |
| Daikin Industries, Ltd. | 10375 |
1 |
| Aichi Steel Corporation | 393 |
1 |
| Amotech Co., Ltd. | 540 |
1 |
| BorgWarner Inc. | 2577 |
1 |
| Connecting Products, Inc. | 15 |
1 |
| Emerson Electric Co. | 527 |
1 |
| Hanon Systems | 2067 |
1 |
| Mabuchi Motor Co., Ltd. | 222 |
1 |
| Midea Group Co., Ltd. | 4833 |
1 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
1 |
| Nagoya Institute of Technology | 244 |
1 |
| Nidec Corporation | 2764 |
1 |
| Other owners | 10 |