- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
Patent holdings for IPC class H02J 50/70
Total number of patents in this class: 1380
10-year publication summary
|
86
|
140
|
182
|
164
|
114
|
150
|
166
|
140
|
131
|
98
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 148649 |
85 |
| Apple Inc. | 56070 |
68 |
| Nucurrent, Inc. | 368 |
66 |
| Amosense Co., Ltd. | 486 |
65 |
| WiTricity Corporation | 520 |
40 |
| Murata Manufacturing Co., Ltd. | 24928 |
32 |
| Auckland UniServices Limited | 493 |
32 |
| NERA Innovations Limited | 138 |
31 |
| Mojo Mobility, Inc. | 84 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
25 |
| LG Electronics Inc. | 73619 |
23 |
| LG Innotek Co., Ltd. | 7881 |
22 |
| Qualcomm Incorporated | 87191 |
21 |
| TDK Corporation | 6877 |
19 |
| Denso Corporation | 24692 |
17 |
| Toyota Motor Corporation | 33275 |
14 |
| Sony Corporation | 30829 |
12 |
| Koninklijke Philips N.V. | 25074 |
12 |
| Mitsubishi Electric Corporation | 46765 |
12 |
| IHI Corporation | 3461 |
12 |
| Other owners | 745 |