- 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: 1055
10-year publication summary
|
50
|
57
|
60
|
59
|
68
|
81
|
99
|
98
|
78
|
56
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48172 |
50 |
| Denso Corporation | 25645 |
36 |
| Robert Bosch GmbH | 44254 |
34 |
| ABB Schweiz AG | 7665 |
20 |
| Hitachi Astemo, Ltd. | 6419 |
18 |
| Siemens AG | 23996 |
16 |
| Toshiba Corporation | 12594 |
16 |
| Nissan Motor Co., Ltd. | 13014 |
14 |
| Nidec Corporation | 2827 |
14 |
| Hyundai Motor Company | 24808 |
13 |
| Schneider Toshiba Inverter Europe SAS | 144 |
13 |
| Kabushiki Kaisha Yaskawa Denki | 1462 |
12 |
| GM Global Technology Operations LLC | 16188 |
11 |
| TMEIC Corporation | 921 |
11 |
| Schaeffler Technologies AG & Co. KG | 11093 |
10 |
| Lsis Co., Ltd. | 815 |
10 |
| SEW-EURODRIVE GmbH & Co. KG | 2041 |
10 |
| Steering Solutions IP Holding Corporation | 977 |
9 |
| Samsung Electronics Co., Ltd. | 158442 |
8 |
| LG Electronics Inc. | 75855 |
8 |
| Other owners | 722 |