- 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: 4846
10-year publication summary
|
503
|
547
|
482
|
371
|
352
|
328
|
192
|
178
|
158
|
114
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 159298 |
204 |
| Apple Inc. | 59354 |
145 |
| Witricity AI Tech, LLC | 426 |
133 |
| Nucurrent, Inc. | 395 |
108 |
| Qualcomm Incorporated | 93712 |
95 |
| Murata Manufacturing Co., Ltd. | 25981 |
95 |
| LG Electronics Inc. | 76219 |
85 |
| LG Innotek Co., Ltd. | 8585 |
85 |
| Auckland UniServices Limited | 493 |
81 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
78 |
| Panasonic Corporation | 18658 |
72 |
| TDK Corporation | 7039 |
72 |
| Toyota Motor Corporation | 36327 |
68 |
| IHI Corporation | 3544 |
65 |
| Amosense Co., Ltd. | 507 |
58 |
| Yazaki Corporation | 7161 |
48 |
| Powermat Technologies Ltd. | 159 |
47 |
| MAHLE International GmbH | 2924 |
46 |
| Wins Co., Ltd | 186 |
45 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12318 |
45 |
| Other owners | 3171 |