- 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: 761
10-year publication summary
|
62
|
57
|
119
|
83
|
81
|
64
|
48
|
50
|
47
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electro-mechanics Co., Ltd. | 5833 |
79 |
| Murata Manufacturing Co., Ltd. | 25506 |
76 |
| TDK Corporation | 6803 |
38 |
| Sumitomo Electric Industries, Ltd. | 16071 |
24 |
| Sumitomo Wiring Systems, Ltd. | 10767 |
22 |
| AutoNetworks Technologies, Ltd. | 6922 |
22 |
| Taiyo Yuden Co., Ltd. | 2012 |
13 |
| Siemens AG | 24236 |
12 |
| Siemens Energy Global GmbH & Co. KG | 3244 |
12 |
| Hitachi Energy Ltd. | 2461 |
12 |
| Cyntec Co., Ltd. | 267 |
11 |
| Mitsubishi Electric Corporation | 47556 |
9 |
| Delta Electronics (Shanghai) Co., Ltd. | 753 |
9 |
| ABB Schweiz AG | 7429 |
8 |
| ABB Technology AG | 1233 |
8 |
| Honeywell International Inc. | 12796 |
7 |
| Denso Corporation | 25165 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47211 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
7 |
| Rohm Co., Ltd. | 6740 |
6 |
| Other owners | 372 |