- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage
Patent holdings for IPC class H02P 21/14
Total number of patents in this class: 980
10-year publication summary
|
59
|
50
|
57
|
59
|
58
|
67
|
81
|
97
|
96
|
59
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46449 |
47 |
| Denso Corporation | 24480 |
36 |
| Robert Bosch GmbH | 42824 |
34 |
| Hitachi Astemo, Ltd. | 6381 |
17 |
| Siemens AG | 24386 |
15 |
| Nissan Motor Co., Ltd. | 12550 |
14 |
| Toshiba Corporation | 12502 |
13 |
| Nidec Corporation | 2672 |
13 |
| Schneider Toshiba Inverter Europe SAS | 135 |
13 |
| ABB Schweiz AG | 7055 |
12 |
| Kabushiki Kaisha Yaskawa Denki | 1471 |
12 |
| Hyundai Motor Company | 22315 |
11 |
| SEW-EURODRIVE GmbH & Co. KG | 1962 |
11 |
| TMEIC Corporation | 794 |
11 |
| Lsis Co., Ltd. | 816 |
10 |
| GM Global Technology Operations LLC | 15162 |
9 |
| Samsung Electronics Co., Ltd. | 147622 |
8 |
| LG Electronics Inc. | 73578 |
8 |
| Texas Instruments Incorporated | 19445 |
8 |
| FANUC Corporation | 6771 |
8 |
| Other owners | 670 |