- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling 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: 125
10-year publication summary
10
|
15
|
21
|
7
|
17
|
10
|
8
|
1
|
4
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Texas Instruments Incorporated | 19481 |
4 |
Robert Bosch GmbH | 42596 |
4 |
Omron Corporation | 7244 |
4 |
Cilag GmbH International | 6222 |
4 |
Denso Corporation | 24190 |
3 |
Rohm Co., Ltd. | 6414 |
3 |
Anpec Electronics Corporation | 305 |
3 |
Envolve Intellectual Property LLC | 3 |
3 |
Positec Power Tools (Suzhou) Co., Ltd. (non-small entity) | 208 |
3 |
Ricoh Company, Ltd. | 13205 |
2 |
Semiconductor Components Industries, L.L.C. | 5252 |
2 |
FANUC Corporation | 6624 |
2 |
Marquardt GmbH | 229 |
2 |
Milwaukee Electric Tool Corporation | 4310 |
2 |
United Automotive Electronic Systems Co. Ltd | 96 |
2 |
Koki Holdings Co.,Ltd | 885 |
2 |
Vitesco Technologies GmbH | 2601 |
2 |
Honda Motor Co., Ltd. | 25150 |
1 |
Honeywell International Inc. | 13573 |
1 |
Canon Inc. | 39618 |
1 |
Other owners | 75 |