- All sections
- H - Electricity
- H01F - Magnets; inductances; transformers; selection of materials for their magnetic properties
- H01F 38/12 - Ignition, e.g. for IC engines
Patent holdings for IPC class H01F 38/12
Total number of patents in this class: 328
10-year publication summary
27
|
34
|
44
|
25
|
25
|
25
|
12
|
13
|
7
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 23747 |
83 |
Robert Bosch GmbH | 41765 |
27 |
Mitsubishi Electric Corporation | 44794 |
23 |
Mitsubishi Electric Mobility Corporation | 1041 |
15 |
BorgWarner US Technologies LLC | 410 |
14 |
BorgWarner Ludwigsburg GmbH | 105 |
8 |
Diamond&zebra Electric Mfg. Co., Ltd. | 43 |
7 |
Hyundai Motor Company | 20442 |
5 |
Eldor Corporation S.p.A. | 120 |
5 |
Kunshan Cadic Auto Electric Co., Ltd | 12 |
5 |
Semiconductor Components Industries, L.L.C. | 5246 |
4 |
Board of Trustees of Michigan State University | 1155 |
4 |
Marshall Electric Corporation | 15 |
4 |
Walbro LLC | 200 |
4 |
Tenneco Inc | 283 |
4 |
Diamond Electric Mfg.Co.,Ltd. | 24 |
4 |
Kia Corporation | 8110 |
4 |
Fuji Electric Co., Ltd. | 4966 |
3 |
OSRAM GmbH | 2412 |
3 |
Hitachi Automotive Systems Hanshin, Ltd. | 40 |
3 |
Other owners | 99 |