- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 7/28 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
Patent holdings for IPC class H02P 7/28
Total number of patents in this class: 123
10-year publication summary
|
13
|
10
|
15
|
21
|
7
|
17
|
9
|
8
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
6 |
| Omron Corporation | 6968 |
4 |
| Cilag GmbH International | 5813 |
4 |
| Texas Instruments Incorporated | 19376 |
3 |
| Denso Corporation | 23338 |
3 |
| Rohm Co., Ltd. | 5843 |
3 |
| Anpec Electronics Corporation | 278 |
3 |
| Envolve Intellectual Property LLC | 3 |
3 |
| Positec Power Tools (Suzhou) Co., Ltd. (non-small entity) | 208 |
3 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Semiconductor Components Industries, L.L.C. | 5345 |
2 |
| Siemens AG Österreich | 316 |
2 |
| Conti Temic microelectronic GmbH | 951 |
2 |
| FANUC Corporation | 5803 |
2 |
| Marquardt GmbH | 228 |
2 |
| United Automotive Electronic Systems Co. Ltd | 70 |
2 |
| Vitesco Technologies GmbH | 2372 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Canon Inc. | 36841 |
1 |
| Other owners | 72 |