- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 30/10 - Single-phase transformers
Patent holdings for IPC class H01F 30/10
Total number of patents in this class: 275
10-year publication summary
|
15
|
33
|
33
|
30
|
23
|
25
|
34
|
23
|
23
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45020 |
44 |
| Sumitomo Electric Industries, Ltd. | 15033 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 29944 |
14 |
| Hitachi, Ltd. | 15264 |
12 |
| Omron Corporation | 7175 |
10 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1411 |
10 |
| Rohm Co., Ltd. | 6385 |
9 |
| Sumitomo Wiring Systems, Ltd. | 10034 |
9 |
| AutoNetworks Technologies, Ltd. | 6352 |
9 |
| Shindengen Electric Manufacturing Co., Ltd. | 792 |
9 |
| Murata Manufacturing Co., Ltd. | 23827 |
7 |
| Sony Corporation | 31511 |
6 |
| TDK Corporation | 6563 |
5 |
| Sumida Corporation | 308 |
5 |
| Siemens AG | 24563 |
4 |
| SHT Corporation Limited | 44 |
4 |
| Siemens Energy Global GmbH & Co. KG | 2857 |
4 |
| Proterial, Ltd. | 770 |
4 |
| Denso Corporation | 23851 |
3 |
| Yazaki Corporation | 6495 |
3 |
| Other owners | 88 |