- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection 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: 2573
10-year publication summary
|
120
|
132
|
210
|
271
|
376
|
292
|
310
|
270
|
252
|
84
|
| 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 |
252 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
245 |
| TDK Corporation | 6306 |
132 |
| Hitachi Energy Ltd. | 1921 |
75 |
| Sumitomo Electric Industries, Ltd. | 14131 |
71 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
66 |
| AutoNetworks Technologies, Ltd. | 5809 |
64 |
| Siemens AG | 24990 |
46 |
| Taiyo Yuden Co., Ltd. | 1809 |
45 |
| Mitsubishi Electric Corporation | 43934 |
38 |
| ABB Schweiz AG | 6321 |
38 |
| ABB Technology AG | 1301 |
35 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
32 |
| LG Innotek Co., Ltd. | 6758 |
29 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
29 |
| Cyntec Co., Ltd. | 232 |
28 |
| Delta Electronics, Inc. | 2401 |
23 |
| Sumida Corporation | 291 |
19 |
| FANUC Corporation | 5803 |
16 |
| Moda-innochips Co., Ltd. | 98 |
16 |
| Other owners | 1274 |