- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 41/12 - Insulating of windings
Patent holdings for IPC class H01F 41/12
Total number of patents in this class: 778
10-year publication summary
|
63
|
57
|
120
|
83
|
85
|
64
|
50
|
50
|
47
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25708 |
81 |
| Samsung Electro-mechanics Co., Ltd. | 6070 |
79 |
| TDK Corporation | 6845 |
38 |
| Sumitomo Electric Industries, Ltd. | 16303 |
25 |
| Sumitomo Wiring Systems, Ltd. | 10974 |
23 |
| AutoNetworks Technologies, Ltd. | 7079 |
23 |
| Hitachi Energy Ltd. | 2557 |
14 |
| Taiyo Yuden Co., Ltd. | 2027 |
13 |
| Siemens AG | 24050 |
12 |
| Cyntec Co., Ltd. | 276 |
12 |
| Siemens Energy Global GmbH & Co. KG | 3328 |
12 |
| Mitsubishi Electric Corporation | 47943 |
9 |
| Delta Electronics (Shanghai) Co., Ltd. | 767 |
9 |
| ABB Schweiz AG | 7578 |
8 |
| ABB Technology AG | 1225 |
8 |
| Honeywell International Inc. | 12783 |
7 |
| Denso Corporation | 25495 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48214 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
7 |
| Rohm Co., Ltd. | 6811 |
6 |
| Other owners | 378 |