- 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: 4666
10-year publication summary
|
480
|
503
|
547
|
482
|
371
|
351
|
321
|
188
|
174
|
71
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 144143 |
192 |
| WiTricity Corporation | 520 |
147 |
| Apple Inc. | 54479 |
137 |
| Nucurrent, Inc. | 343 |
98 |
| Qualcomm Incorporated | 84501 |
94 |
| Murata Manufacturing Co., Ltd. | 24342 |
94 |
| LG Electronics Inc. | 72473 |
83 |
| LG Innotek Co., Ltd. | 7536 |
83 |
| Auckland UniServices Limited | 496 |
79 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
77 |
| Panasonic Corporation | 20173 |
72 |
| TDK Corporation | 6674 |
68 |
| Toyota Motor Corporation | 31451 |
66 |
| IHI Corporation | 3408 |
65 |
| Amosense Co., Ltd. | 481 |
58 |
| Yazaki Corporation | 6613 |
48 |
| Wins Co., Ltd | 186 |
45 |
| NERA Innovations Limited | 141 |
45 |
| Powermat Technologies Ltd. | 156 |
44 |
| Sony Corporation | 31148 |
42 |
| Other owners | 3029 |