- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
- H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
Patent holdings for IPC class H02J 3/00
Total number of patents in this class: 6922
10-year publication summary
|
509
|
569
|
585
|
493
|
504
|
573
|
572
|
660
|
680
|
234
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 16452 |
258 |
| Siemens AG | 24990 |
178 |
| Mitsubishi Electric Corporation | 43934 |
135 |
| NEC Corporation | 32703 |
130 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
95 |
| Kyocera Corporation | 12735 |
85 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
66 |
| Hitachi Energy Ltd. | 1921 |
62 |
| ABB Schweiz AG | 6321 |
61 |
| State Grid Corporation of China | 1308 |
58 |
| Eaton Intelligent Power Limited | 6113 |
58 |
| Causam Enterprises, Inc. | 121 |
57 |
| Vestas Wind Systems A/S | 3459 |
57 |
| International Business Machines Corporation | 60644 |
55 |
| Enel X North America, Inc. | 125 |
54 |
| Panasonic Corporation | 20786 |
53 |
| 8me Nova, LLC | 117 |
50 |
| Honda Motor Co., Ltd. | 24537 |
47 |
| Lutron Technology Company LLC | 2300 |
44 |
| Strong Force TX Portfolio 2018, LLC | 145 |
40 |
| Other owners | 5279 |