- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 38/14 - Inductive couplings
Patent holdings for IPC class H01F 38/14
Total number of patents in this class: 4762
10-year publication summary
|
498
|
528
|
476
|
366
|
345
|
321
|
188
|
174
|
155
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 150751 |
199 |
| WiTricity Corporation | 508 |
144 |
| Apple Inc. | 56830 |
143 |
| Nucurrent, Inc. | 378 |
105 |
| Qualcomm Incorporated | 88424 |
95 |
| Murata Manufacturing Co., Ltd. | 25207 |
95 |
| LG Innotek Co., Ltd. | 8008 |
84 |
| LG Electronics Inc. | 74175 |
83 |
| Auckland UniServices Limited | 500 |
81 |
| Panasonic Intellectual Property Management Co., Ltd. | 32838 |
77 |
| Panasonic Corporation | 19901 |
72 |
| TDK Corporation | 6770 |
70 |
| Toyota Motor Corporation | 33878 |
66 |
| IHI Corporation | 3491 |
65 |
| Amosense Co., Ltd. | 494 |
58 |
| Yazaki Corporation | 6871 |
48 |
| Powermat Technologies Ltd. | 158 |
46 |
| Wins Co., Ltd | 186 |
45 |
| NERA Innovations Limited | 138 |
45 |
| MAHLE International GmbH | 2839 |
43 |
| Other owners | 3098 |