- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 30/04 - Fixed transformers not covered by group having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies
Patent holdings for IPC class H01F 30/04
Total number of patents in this class: 69
10-year publication summary
|
4
|
10
|
7
|
6
|
3
|
3
|
2
|
3
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Technology AG | 1224 |
3 |
| The Boeing Company | 20163 |
2 |
| Robert Bosch GmbH | 44176 |
2 |
| City University of Hong Kong | 954 |
2 |
| Delta Electronics (Thailand) Public Co., Ltd. | 105 |
2 |
| Tamura Corporation | 358 |
2 |
| Samsung Electronics Co., Ltd. | 157946 |
1 |
| Siemens AG | 24020 |
1 |
| Texas Instruments Incorporated | 19653 |
1 |
| Koninklijke Philips Electronics N.V. | 7398 |
1 |
| Infineon Technologies Austria AG | 2338 |
1 |
| Mitsubishi Electric Corporation | 48048 |
1 |
| Tokyo Electron Limited | 13824 |
1 |
| TDK Corporation | 6876 |
1 |
| Raytheon Company | 8448 |
1 |
| LG Innotek Co., Ltd. | 8486 |
1 |
| Rolls-Royce PLC | 3223 |
1 |
| Board of Regents, The University of Texas System | 6117 |
1 |
| Johnson Controls Technology Company | 1383 |
1 |
| ABL IP Holding LLC | 1887 |
1 |
| Other owners | 42 |