- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 27/22 - Cooling by heat conduction through solid or powdered fillings
Patent holdings for IPC class H01F 27/22
Total number of patents in this class: 370
10-year publication summary
|
23
|
38
|
33
|
36
|
30
|
36
|
32
|
33
|
35
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45962 |
21 |
| Murata Manufacturing Co., Ltd. | 24465 |
19 |
| Sumitomo Electric Industries, Ltd. | 15428 |
11 |
| TDK Corporation | 6701 |
10 |
| Sumitomo Wiring Systems, Ltd. | 10307 |
10 |
| AutoNetworks Technologies, Ltd. | 6548 |
10 |
| Moda-innochips Co., Ltd. | 99 |
8 |
| Cyntec Co., Ltd. | 255 |
7 |
| Delta Electronics (Shanghai) Co., Ltd. | 710 |
7 |
| SKC Co., Ltd. | 324 |
7 |
| Robert Bosch GmbH | 42632 |
6 |
| Omron Automotive Electronics Co., Ltd. | 81 |
6 |
| Infinitum Electric Inc. | 87 |
6 |
| Toyota Motor Corporation | 31819 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12821 |
5 |
| Siemens AG | 24520 |
4 |
| Hyundai Motor Company | 21897 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
4 |
| Delta Electronics, Inc. | 2601 |
4 |
| Hamilton Sundstrand Corporation | 4853 |
4 |
| Other owners | 212 |