- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 37/00 - Fixed inductances not covered by group
Patent holdings for IPC class H01F 37/00
Total number of patents in this class: 2222
10-year publication summary
|
183
|
166
|
163
|
129
|
112
|
74
|
69
|
62
|
61
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15535 |
318 |
| Sumitomo Wiring Systems, Ltd. | 10394 |
276 |
| AutoNetworks Technologies, Ltd. | 6618 |
268 |
| Murata Manufacturing Co., Ltd. | 24621 |
66 |
| WiTricity Corporation | 524 |
64 |
| Mitsubishi Electric Corporation | 46249 |
49 |
| FANUC Corporation | 6722 |
43 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
42 |
| TDK Corporation | 6782 |
35 |
| Samsung Electronics Co., Ltd. | 147003 |
31 |
| Toyota Motor Corporation | 32542 |
27 |
| Tamura Corporation | 358 |
27 |
| Energous Corporation | 413 |
25 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12781 |
24 |
| Intel Corporation | 47051 |
22 |
| Sony Corporation | 31004 |
20 |
| Qualcomm Incorporated | 85914 |
19 |
| Denso Corporation | 24372 |
16 |
| Philips IP Ventures B.V. | 97 |
16 |
| NTN Corporation | 4968 |
15 |
| Other owners | 819 |