- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection 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: 329
10-year publication summary
|
23
|
23
|
38
|
33
|
36
|
30
|
34
|
32
|
31
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
18 |
| Murata Manufacturing Co., Ltd. | 22355 |
17 |
| Sumitomo Electric Industries, Ltd. | 14131 |
11 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
10 |
| AutoNetworks Technologies, Ltd. | 5809 |
10 |
| Moda-innochips Co., Ltd. | 98 |
8 |
| SKC Co., Ltd. | 311 |
7 |
| TDK Corporation | 6306 |
6 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
6 |
| Omron Automotive Electronics Co., Ltd. | 93 |
6 |
| Cyntec Co., Ltd. | 232 |
5 |
| Infinitum Electric Inc. | 59 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
5 |
| Toyota Motor Corporation | 28582 |
4 |
| Robert Bosch GmbH | 40953 |
4 |
| Hyundai Motor Company | 19021 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Lear Corporation | 1196 |
4 |
| Amogreentech Co., Ltd. | 566 |
4 |
| Other owners | 187 |