- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/02 - Casings
Patent holdings for IPC class H01F 27/02
Total number of patents in this class: 2186
10-year publication summary
166
|
162
|
198
|
211
|
170
|
179
|
152
|
158
|
173
|
67
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 24342 |
156 |
Hitachi Energy Ltd. | 2180 |
81 |
Samsung Electro-mechanics Co., Ltd. | 5512 |
72 |
TDK Corporation | 6674 |
69 |
Sumitomo Electric Industries, Ltd. | 15344 |
63 |
Sumitomo Wiring Systems, Ltd. | 10261 |
59 |
AutoNetworks Technologies, Ltd. | 6515 |
57 |
Cyntec Co., Ltd. | 253 |
56 |
Sumida Corporation | 320 |
45 |
Taiyo Yuden Co., Ltd. | 1918 |
39 |
Siemens AG | 24561 |
34 |
Mitsubishi Electric Corporation | 45811 |
34 |
Delta Electronics, Inc. | 2583 |
34 |
Siemens Energy Global GmbH & Co. KG | 2916 |
32 |
Denso Corporation | 24120 |
31 |
ABB Schweiz AG | 6887 |
31 |
Tamura Corporation | 356 |
22 |
Apple Inc. | 54479 |
20 |
Toyota Motor Corporation | 31451 |
20 |
ABB Technology AG | 1256 |
20 |
Other owners | 1211 |