- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection 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: 1997
10-year publication summary
|
120
|
157
|
183
|
245
|
259
|
187
|
183
|
144
|
113
|
40
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
472 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
241 |
| TDK Corporation | 6306 |
154 |
| Taiyo Yuden Co., Ltd. | 1809 |
93 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
52 |
| Cyntec Co., Ltd. | 232 |
51 |
| Sumida Corporation | 291 |
41 |
| Nitto Denko Corporation | 7879 |
31 |
| Sumitomo Electric Industries, Ltd. | 14131 |
30 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
24 |
| AutoNetworks Technologies, Ltd. | 5809 |
24 |
| Delta Electronics, Inc. | 2401 |
21 |
| Cooper Technologies Company | 664 |
19 |
| Hitachi Metals, Ltd. | 2175 |
14 |
| LG Innotek Co., Ltd. | 6758 |
14 |
| Moda-innochips Co., Ltd. | 98 |
14 |
| Intel Corporation | 45621 |
12 |
| Kyocera Corporation | 12735 |
12 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
12 |
| Tamura Corporation | 350 |
12 |
| Other owners | 654 |