- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 17/04 - Fixed inductances of the signal type with magnetic core
Patent holdings for IPC class H01F 17/04
Total number of patents in this class: 2181
10-year publication summary
|
157
|
183
|
245
|
259
|
189
|
196
|
160
|
117
|
126
|
72
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24369 |
523 |
| Samsung Electro-mechanics Co., Ltd. | 5529 |
246 |
| TDK Corporation | 6676 |
178 |
| Taiyo Yuden Co., Ltd. | 1927 |
100 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
60 |
| Cyntec Co., Ltd. | 252 |
52 |
| Sumida Corporation | 320 |
43 |
| Nitto Denko Corporation | 8196 |
36 |
| Sumitomo Electric Industries, Ltd. | 15377 |
34 |
| Sumitomo Wiring Systems, Ltd. | 10271 |
28 |
| AutoNetworks Technologies, Ltd. | 6529 |
28 |
| Delta Electronics, Inc. | 2589 |
23 |
| LG Innotek Co., Ltd. | 7552 |
20 |
| Cooper Technologies Company | 636 |
19 |
| Intel Corporation | 46751 |
15 |
| Hitachi Metals, Ltd. | 1990 |
14 |
| Tamura Corporation | 357 |
14 |
| Moda-innochips Co., Ltd. | 99 |
14 |
| TOKIN Corporation | 207 |
13 |
| Kyocera Corporation | 13706 |
12 |
| Other owners | 709 |