- 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: 4724
10-year publication summary
|
464
|
498
|
528
|
476
|
366
|
345
|
319
|
186
|
173
|
127
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 148077 |
195 |
| WiTricity Corporation | 523 |
147 |
| Apple Inc. | 55735 |
141 |
| Nucurrent, Inc. | 364 |
103 |
| Qualcomm Incorporated | 86990 |
95 |
| Murata Manufacturing Co., Ltd. | 24843 |
94 |
| LG Innotek Co., Ltd. | 7846 |
84 |
| LG Electronics Inc. | 73714 |
83 |
| Auckland UniServices Limited | 493 |
80 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
77 |
| Panasonic Corporation | 20018 |
72 |
| TDK Corporation | 6878 |
68 |
| Toyota Motor Corporation | 33077 |
66 |
| IHI Corporation | 3453 |
65 |
| Amosense Co., Ltd. | 487 |
58 |
| Yazaki Corporation | 6742 |
48 |
| Powermat Technologies Ltd. | 158 |
46 |
| Wins Co., Ltd | 186 |
45 |
| NERA Innovations Limited | 138 |
45 |
| MAHLE International GmbH | 2810 |
43 |
| Other owners | 3069 |