- 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: 2335
10-year publication summary
|
163
|
198
|
211
|
170
|
179
|
156
|
158
|
178
|
144
|
105
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25917 |
165 |
| Hitachi Energy Ltd. | 2642 |
97 |
| TDK Corporation | 6992 |
87 |
| Samsung Electro-mechanics Co., Ltd. | 6162 |
76 |
| Sumitomo Electric Industries, Ltd. | 16368 |
64 |
| Cyntec Co., Ltd. | 279 |
64 |
| Sumitomo Wiring Systems, Ltd. | 11180 |
60 |
| AutoNetworks Technologies, Ltd. | 7244 |
59 |
| Sumida Corporation | 337 |
44 |
| Taiyo Yuden Co., Ltd. | 2050 |
42 |
| Delta Electronics, Inc. | 2859 |
39 |
| Mitsubishi Electric Corporation | 48351 |
34 |
| Siemens AG | 23956 |
33 |
| Siemens Energy Global GmbH & Co. KG | 3470 |
33 |
| Denso Corporation | 25746 |
31 |
| ABB Schweiz AG | 7724 |
31 |
| TDK Electronics AG | 1014 |
23 |
| Apple Inc. | 59241 |
21 |
| Toyota Motor Corporation | 36159 |
20 |
| Delta Electronics (Shanghai) Co., Ltd. | 775 |
20 |
| Other owners | 1292 |