- 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: 400
10-year publication summary
|
39
|
33
|
36
|
30
|
36
|
32
|
34
|
36
|
29
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
22 |
| Murata Manufacturing Co., Ltd. | 25758 |
19 |
| TDK Corporation | 6876 |
12 |
| Sumitomo Electric Industries, Ltd. | 16355 |
11 |
| Sumitomo Wiring Systems, Ltd. | 11029 |
10 |
| AutoNetworks Technologies, Ltd. | 7130 |
10 |
| Robert Bosch GmbH | 44176 |
9 |
| Delta Electronics (Shanghai) Co., Ltd. | 769 |
8 |
| Moda-innochips Co., Ltd. | 101 |
8 |
| Cyntec Co., Ltd. | 277 |
7 |
| SKC Co., Ltd. | 326 |
7 |
| Toyota Motor Corporation | 35813 |
6 |
| Omron Automotive Electronics Co., Ltd. | 78 |
6 |
| Infinitum Electric Inc. | 91 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
5 |
| Delta Electronics, Inc. | 2830 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12378 |
5 |
| Siemens AG | 24020 |
4 |
| Denso Corporation | 25579 |
4 |
| Hyundai Motor Company | 24703 |
4 |
| Other owners | 232 |