- 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: 3894
10-year publication summary
|
245
|
330
|
397
|
352
|
352
|
313
|
262
|
255
|
291
|
181
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25744 |
297 |
| Sumitomo Electric Industries, Ltd. | 16331 |
180 |
| Sumitomo Wiring Systems, Ltd. | 11005 |
160 |
| AutoNetworks Technologies, Ltd. | 7108 |
157 |
| TDK Corporation | 6858 |
151 |
| Samsung Electro-mechanics Co., Ltd. | 6083 |
106 |
| Delta Electronics (Shanghai) Co., Ltd. | 768 |
98 |
| Delta Electronics, Inc. | 2830 |
84 |
| Taiyo Yuden Co., Ltd. | 2029 |
80 |
| Cyntec Co., Ltd. | 277 |
70 |
| Mitsubishi Electric Corporation | 48018 |
54 |
| LG Innotek Co., Ltd. | 8466 |
53 |
| Sumida Corporation | 333 |
45 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
41 |
| Hitachi Energy Ltd. | 2579 |
40 |
| Nippon Steel Corporation | 6871 |
35 |
| Intel Corporation | 47106 |
34 |
| Tamura Corporation | 358 |
33 |
| Hitachi Metals, Ltd. | 1898 |
31 |
| FANUC Corporation | 7217 |
31 |
| Other owners | 2114 |