- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 27/04 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
Patent holdings for IPC class H02P 27/04
Total number of patents in this class: 1186
10-year publication summary
|
90
|
65
|
81
|
59
|
58
|
46
|
58
|
42
|
41
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46765 |
102 |
| Halliburton Energy Services, Inc. | 21006 |
51 |
| Aisin AW Co., Ltd. | 2312 |
32 |
| Denso Corporation | 24692 |
31 |
| Daikin Industries, Ltd. | 10142 |
25 |
| Kabushiki Kaisha Yaskawa Denki | 1470 |
24 |
| Nissan Motor Co., Ltd. | 12592 |
20 |
| Eaton Intelligent Power Limited | 6056 |
19 |
| FANUC Corporation | 6844 |
17 |
| Honda Motor Co., Ltd. | 25769 |
16 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12693 |
15 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6243 |
14 |
| Rockwell Automation Technologies, Inc. | 2723 |
13 |
| GM Global Technology Operations LLC | 15310 |
12 |
| Lsis Co., Ltd. | 816 |
12 |
| Meidensha Corporation | 903 |
12 |
| Hitachi Automotive Systems, Ltd. | 3955 |
11 |
| Robert Bosch GmbH | 42984 |
11 |
| JTEKT Corporation | 2520 |
11 |
| ABB Schweiz AG | 7139 |
11 |
| Other owners | 727 |