- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 38/24 - Voltage transformers
Patent holdings for IPC class H01F 38/24
Total number of patents in this class: 40
10-year publication summary
|
6
|
0
|
2
|
3
|
2
|
1
|
2
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissin Electric Co., Ltd. | 263 |
4 |
| Meidensha Corporation | 927 |
3 |
| ABB Schweiz AG | 7429 |
2 |
| Arteche Centro de Tecnología, A.I.E. | 6 |
2 |
| HSP Hochspannungsgeräte GmbH | 141 |
2 |
| Siemens AG | 24236 |
1 |
| Hitachi, Ltd. | 15881 |
1 |
| Mitsubishi Electric Corporation | 47556 |
1 |
| Murata Manufacturing Co., Ltd. | 25506 |
1 |
| Realtek Semiconductor Corp. | 3423 |
1 |
| Beijing Aerospace Times Optical-electronic Technology Co. Ltd. | 9 |
1 |
| Schweitzer Engineering Laboratories, Inc. | 911 |
1 |
| State Grid Corporation of China | 1385 |
1 |
| Tc-tanic, Incorporated | 2 |
1 |
| TRUMPF Huettinger GmbH + Co. KG | 66 |
1 |
| Universidade Estadual de Campinas - Unicamp | 283 |
1 |
| Vito Rinaldi | 1 |
1 |
| VMC Power Systems | 3 |
1 |
| Global Energy Interconnection Research Institute, Co., Ltd. | 129 |
1 |
| Unist(ulsan National Institute of Science and Technology) | 500 |
1 |
| Other owners | 12 |