- 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: 4826
10-year publication summary
|
503
|
547
|
482
|
371
|
352
|
328
|
192
|
178
|
157
|
86
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157300 |
203 |
| Apple Inc. | 58621 |
145 |
| Witricity AI Tech, LLC | 420 |
133 |
| Nucurrent, Inc. | 388 |
107 |
| Qualcomm Incorporated | 91834 |
95 |
| Murata Manufacturing Co., Ltd. | 25708 |
95 |
| LG Electronics Inc. | 75591 |
85 |
| LG Innotek Co., Ltd. | 8427 |
84 |
| Auckland UniServices Limited | 500 |
81 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
78 |
| Panasonic Corporation | 19103 |
72 |
| TDK Corporation | 6845 |
71 |
| Toyota Motor Corporation | 35578 |
67 |
| IHI Corporation | 3532 |
65 |
| Amosense Co., Ltd. | 500 |
58 |
| Yazaki Corporation | 7092 |
48 |
| Powermat Technologies Ltd. | 159 |
47 |
| MAHLE International GmbH | 2909 |
45 |
| Wins Co., Ltd | 186 |
45 |
| NERA Innovations Limited | 135 |
45 |
| Other owners | 3157 |