- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 29/00 - Variable transformers or inductances not covered by group
Patent holdings for IPC class H01F 29/00
Total number of patents in this class: 59
10-year publication summary
|
6
|
5
|
7
|
6
|
7
|
0
|
4
|
1
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 5843 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
2 |
| China Railway Corporation | 2 |
2 |
| Instrument Manufacturing Company | 17 |
2 |
| Southwest Jiaotong University | 120 |
2 |
| Wujiang Transformer Co., Ltd. | 17 |
2 |
| Changzhou Pacific Electric Power Equipment Group Co., Ltd. | 2 |
2 |
| Eaton Intelligent Power Limited | 6113 |
2 |
| Third Equation Ltd | 13 |
2 |
| Clesus SAS | 2 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Siemens AG | 24990 |
1 |
| Intel Corporation | 45621 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Murata Manufacturing Co., Ltd. | 22355 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
1 |
| Xilinx, Inc. | 4086 |
1 |
| Whirlpool Corporation | 4238 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Realtek Semiconductor Corp. | 3028 |
1 |
| Other owners | 27 |