- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/24 - Magnetic cores
Patent holdings for IPC class H01F 27/24
Total number of patents in this class: 3632
10-year publication summary
|
222
|
243
|
328
|
395
|
341
|
351
|
306
|
252
|
252
|
213
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24684 |
274 |
| Sumitomo Electric Industries, Ltd. | 15576 |
173 |
| Sumitomo Wiring Systems, Ltd. | 10422 |
153 |
| AutoNetworks Technologies, Ltd. | 6635 |
149 |
| TDK Corporation | 6796 |
136 |
| Samsung Electro-mechanics Co., Ltd. | 5644 |
103 |
| Delta Electronics (Shanghai) Co., Ltd. | 725 |
90 |
| Taiyo Yuden Co., Ltd. | 1939 |
78 |
| Delta Electronics, Inc. | 2633 |
69 |
| Cyntec Co., Ltd. | 257 |
62 |
| Mitsubishi Electric Corporation | 46346 |
54 |
| LG Innotek Co., Ltd. | 7708 |
47 |
| Sumida Corporation | 327 |
46 |
| Hitachi Energy Ltd. | 2243 |
38 |
| Tamura Corporation | 358 |
35 |
| Intel Corporation | 47093 |
34 |
| Hitachi Metals, Ltd. | 1976 |
34 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
34 |
| FANUC Corporation | 6746 |
30 |
| Nippon Steel Corporation | 6321 |
29 |
| Other owners | 1964 |