- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/32 - Insulating of coils, windings, or parts thereof
Patent holdings for IPC class H01F 27/32
Total number of patents in this class: 3072
10-year publication summary
|
210
|
271
|
376
|
293
|
311
|
282
|
258
|
257
|
218
|
124
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25758 |
322 |
| Samsung Electro-mechanics Co., Ltd. | 6091 |
287 |
| TDK Corporation | 6876 |
180 |
| Hitachi Energy Ltd. | 2586 |
100 |
| Sumitomo Electric Industries, Ltd. | 16355 |
78 |
| Sumitomo Wiring Systems, Ltd. | 11029 |
71 |
| AutoNetworks Technologies, Ltd. | 7130 |
70 |
| Taiyo Yuden Co., Ltd. | 2032 |
51 |
| LG Innotek Co., Ltd. | 8486 |
48 |
| Cyntec Co., Ltd. | 277 |
42 |
| ABB Schweiz AG | 7621 |
42 |
| Siemens AG | 24020 |
41 |
| Mitsubishi Electric Corporation | 48048 |
39 |
| Delta Electronics (Shanghai) Co., Ltd. | 769 |
37 |
| ABB Technology AG | 1224 |
33 |
| Delta Electronics, Inc. | 2830 |
27 |
| Siemens Energy Global GmbH & Co. KG | 3357 |
27 |
| Sumida Corporation | 336 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
20 |
| Texas Instruments Incorporated | 19653 |
17 |
| Other owners | 1518 |