- 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: 306
10-year publication summary
|
33
|
33
|
30
|
23
|
25
|
34
|
23
|
23
|
21
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
17 |
| Sumitomo Electric Industries, Ltd. | 16355 |
16 |
| Hitachi, Ltd. | 16113 |
12 |
| Omron Corporation | 7370 |
11 |
| Murata Manufacturing Co., Ltd. | 25758 |
10 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1544 |
10 |
| Shindengen Electric Manufacturing Co., Ltd. | 842 |
10 |
| Sumitomo Wiring Systems, Ltd. | 11029 |
9 |
| AutoNetworks Technologies, Ltd. | 7130 |
9 |
| Rohm Co., Ltd. | 6837 |
8 |
| Sony Corporation | 30158 |
6 |
| TDK Corporation | 6876 |
6 |
| JFE Steel Corporation | 7549 |
5 |
| SHT Corporation Limited | 46 |
5 |
| Sumida Corporation | 336 |
5 |
| Siemens Energy Global GmbH & Co. KG | 3357 |
5 |
| Proterial, Ltd. | 938 |
5 |
| Siemens AG | 24020 |
4 |
| Altria Client Services LLC | 2436 |
4 |
| Other owners | 101 |