- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 23/30 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by the armature windings having lap or loop windings
Patent holdings for IPC class H02K 23/30
Total number of patents in this class: 50
10-year publication summary
|
5
|
4
|
1
|
6
|
1
|
4
|
2
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsuba Corporation | 810 |
8 |
| Robert Bosch GmbH | 42742 |
6 |
| Denso Corporation | 24387 |
4 |
| Valeo Systemes d'Essuyage | 1140 |
4 |
| Black & Decker, Inc. | 2408 |
3 |
| Johnson Electric International AG | 373 |
3 |
| Linear Labs, Inc. | 75 |
2 |
| Nidec Corporation | 2668 |
2 |
| NIDEC MOTORS & ACTUATORS (GERMANY) GmbH | 31 |
2 |
| Panasonic Corporation | 20074 |
1 |
| Mitsubishi Electric Corporation | 46295 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
1 |
| Forum US, Inc. | 336 |
1 |
| MAHLE International GmbH | 2778 |
1 |
| MAHLE Metal Leve S/A | 157 |
1 |
| Pierburg Pump Technology GmbH | 325 |
1 |
| University of Shanghai for Science and Technology | 118 |
1 |
| Minebea Mitsumi Inc. | 1753 |
1 |
| MAHLE Metal Leve Miba Sinterizados Ltda. | 2 |
1 |
| Höganäs Brasil Ltda. | 1 |
1 |
| Other owners | 5 |