- 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: 4788
10-year publication summary
|
498
|
528
|
476
|
366
|
345
|
322
|
189
|
174
|
155
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 153573 |
201 |
| Apple Inc. | 58049 |
144 |
| Witricity AI Tech, LLC | 412 |
133 |
| Nucurrent, Inc. | 382 |
107 |
| Qualcomm Incorporated | 90109 |
95 |
| Murata Manufacturing Co., Ltd. | 25506 |
95 |
| LG Electronics Inc. | 74953 |
84 |
| LG Innotek Co., Ltd. | 8163 |
84 |
| Auckland UniServices Limited | 502 |
81 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
77 |
| Panasonic Corporation | 19680 |
72 |
| TDK Corporation | 6803 |
70 |
| Toyota Motor Corporation | 34545 |
67 |
| IHI Corporation | 3516 |
65 |
| Amosense Co., Ltd. | 497 |
58 |
| Yazaki Corporation | 6952 |
48 |
| Powermat Technologies Ltd. | 158 |
46 |
| MAHLE International GmbH | 2879 |
45 |
| Wins Co., Ltd | 186 |
45 |
| NERA Innovations Limited | 137 |
45 |
| Other owners | 3126 |