- 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: 2316
10-year publication summary
|
183
|
245
|
259
|
190
|
197
|
168
|
120
|
130
|
155
|
47
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25590 |
571 |
| Samsung Electro-mechanics Co., Ltd. | 5944 |
247 |
| TDK Corporation | 6821 |
209 |
| Taiyo Yuden Co., Ltd. | 2020 |
104 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
69 |
| Cyntec Co., Ltd. | 274 |
53 |
| Sumida Corporation | 330 |
44 |
| Nitto Denko Corporation | 8486 |
38 |
| Sumitomo Electric Industries, Ltd. | 16191 |
37 |
| Sumitomo Wiring Systems, Ltd. | 10858 |
31 |
| AutoNetworks Technologies, Ltd. | 6993 |
31 |
| Delta Electronics, Inc. | 2804 |
26 |
| LG Innotek Co., Ltd. | 8264 |
22 |
| Cooper Technologies Company | 620 |
19 |
| TDK Electronics AG | 1000 |
16 |
| Intel Corporation | 46737 |
15 |
| TOKIN Corporation | 213 |
14 |
| Wurth Elektronik eiSos GmbH & Co. KG | 124 |
14 |
| Moda-innochips Co., Ltd. | 101 |
14 |
| Hitachi Metals, Ltd. | 1916 |
12 |
| Other owners | 730 |