- 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: 1027
10-year publication summary
|
50
|
57
|
59
|
58
|
67
|
81
|
98
|
97
|
75
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47556 |
50 |
| Denso Corporation | 25165 |
36 |
| Robert Bosch GmbH | 43554 |
34 |
| Hitachi Astemo, Ltd. | 6411 |
18 |
| ABB Schweiz AG | 7429 |
17 |
| Siemens AG | 24236 |
15 |
| Toshiba Corporation | 12693 |
15 |
| Nissan Motor Co., Ltd. | 12757 |
14 |
| Nidec Corporation | 2764 |
14 |
| Schneider Toshiba Inverter Europe SAS | 138 |
13 |
| Hyundai Motor Company | 23688 |
12 |
| Kabushiki Kaisha Yaskawa Denki | 1464 |
12 |
| SEW-EURODRIVE GmbH & Co. KG | 2003 |
11 |
| TMEIC Corporation | 863 |
11 |
| GM Global Technology Operations LLC | 15776 |
10 |
| Lsis Co., Ltd. | 814 |
10 |
| Samsung Electronics Co., Ltd. | 153573 |
8 |
| LG Electronics Inc. | 74953 |
8 |
| Texas Instruments Incorporated | 19615 |
8 |
| FANUC Corporation | 7021 |
8 |
| Other owners | 703 |