- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling 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: 1541
10-year publication summary
|
176
|
133
|
129
|
110
|
106
|
77
|
66
|
40
|
31
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 5873 |
115 |
| Vestas Wind Systems A/S | 3459 |
83 |
| Denso Corporation | 23338 |
40 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
39 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
39 |
| Honda Motor Co., Ltd. | 24537 |
35 |
| Siemens Gamesa Renewable Energy Service GmbH | 177 |
20 |
| General Electric Company | 18133 |
19 |
| Daikin Industries, Ltd. | 9495 |
19 |
| Wobben Properties GmbH | 1207 |
19 |
| Caterpillar Inc. | 8877 |
18 |
| General Electric Renovables España, S.L. | 416 |
18 |
| Hamilton Sundstrand Corporation | 4525 |
16 |
| Kohler Co. | 4165 |
14 |
| Cummins Power Generation IP, Inc. | 261 |
14 |
| Hitachi, Ltd. | 16452 |
13 |
| Shindengen Electric Manufacturing Co., Ltd. | 774 |
13 |
| Mitsubishi Electric Corporation | 43934 |
12 |
| Nissan Motor Co., Ltd. | 12249 |
11 |
| Yamaha Hatsudoki Kabushiki Kaisha | 1998 |
11 |
| Other owners | 973 |