- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
Patent holdings for IPC class H02J 3/14
Total number of patents in this class: 3649
10-year publication summary
|
302
|
306
|
290
|
290
|
233
|
221
|
237
|
247
|
224
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Causam Enterprises, Inc. | 128 |
98 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
88 |
| Siemens AG | 24278 |
77 |
| Mitsubishi Electric Corporation | 47352 |
64 |
| Kyocera Corporation | 14186 |
60 |
| NEC Corporation | 36448 |
50 |
| Daikin Industries, Ltd. | 10212 |
39 |
| Eaton Intelligent Power Limited | 6109 |
39 |
| Lutron Technology Company LLC | 2666 |
39 |
| Strong Force TX Portfolio 2018, LLC | 153 |
38 |
| Hitachi, Ltd. | 15800 |
33 |
| LG Electronics Inc. | 74388 |
31 |
| ABB Schweiz AG | 7313 |
31 |
| Enel X North America, Inc. | 126 |
31 |
| International Business Machines Corporation | 61929 |
30 |
| Samsung Electronics Co., Ltd. | 151485 |
29 |
| Enphase Energy, Inc. | 618 |
28 |
| Google LLC | 43436 |
26 |
| Battelle Memorial Institute | 2535 |
23 |
| Toyota Motor Corporation | 33951 |
22 |
| Other owners | 2773 |