- 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: 2267
10-year publication summary
|
158
|
190
|
204
|
164
|
175
|
151
|
153
|
174
|
139
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25107 |
165 |
| Hitachi Energy Ltd. | 2357 |
86 |
| TDK Corporation | 6752 |
75 |
| Samsung Electro-mechanics Co., Ltd. | 5721 |
73 |
| Sumitomo Electric Industries, Ltd. | 15848 |
64 |
| Cyntec Co., Ltd. | 261 |
61 |
| Sumitomo Wiring Systems, Ltd. | 10603 |
60 |
| AutoNetworks Technologies, Ltd. | 6787 |
58 |
| Sumida Corporation | 337 |
46 |
| Taiyo Yuden Co., Ltd. | 1994 |
39 |
| Delta Electronics, Inc. | 2699 |
35 |
| Siemens AG | 24304 |
34 |
| Mitsubishi Electric Corporation | 47131 |
34 |
| Siemens Energy Global GmbH & Co. KG | 3105 |
33 |
| Denso Corporation | 24863 |
31 |
| ABB Schweiz AG | 7240 |
31 |
| Tamura Corporation | 356 |
22 |
| Apple Inc. | 56633 |
20 |
| Toyota Motor Corporation | 33664 |
20 |
| ABB Technology AG | 1243 |
20 |
| Other owners | 1260 |