- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 9/04 - Control effected upon non-electric prime mover and dependent upon electric output value of the generator
Patent holdings for IPC class H02P 9/04
Total number of patents in this class: 1513
10-year publication summary
|
133
|
129
|
110
|
106
|
77
|
67
|
40
|
34
|
32
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6163 |
114 |
| Vestas Wind Systems A/S | 3623 |
81 |
| Mitsubishi Heavy Industries, Ltd. | 8573 |
41 |
| Denso Corporation | 24007 |
40 |
| Siemens Gamesa Renewable Energy A/S | 1823 |
38 |
| Honda Motor Co., Ltd. | 25101 |
34 |
| Siemens Gamesa Renewable Energy Service GmbH | 177 |
20 |
| General Electric Company | 17076 |
19 |
| Daikin Industries, Ltd. | 9920 |
19 |
| Wobben Properties GmbH | 1211 |
19 |
| Caterpillar Inc. | 9356 |
17 |
| Hamilton Sundstrand Corporation | 4802 |
15 |
| Hitachi, Ltd. | 15334 |
14 |
| Cummins Power Generation IP, Inc. | 282 |
14 |
| Shindengen Electric Manufacturing Co., Ltd. | 796 |
14 |
| Discovery Energy, LLC | 377 |
13 |
| Nissan Motor Co., Ltd. | 12325 |
12 |
| Mitsubishi Electric Corporation | 45414 |
11 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3029 |
11 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2111 |
11 |
| Other owners | 956 |