- 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: 333
10-year publication summary
22
|
27
|
34
|
44
|
25
|
25
|
25
|
12
|
13
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 23338 |
86 |
Mitsubishi Electric Corporation | 43934 |
40 |
Robert Bosch GmbH | 40953 |
28 |
Delphi Technologies IP Limited | 1081 |
14 |
BorgWarner Ludwigsburg GmbH | 109 |
9 |
Diamond&zebra Electric Mfg. Co., Ltd. | 39 |
6 |
Eldor Corporation S.p.A. | 117 |
5 |
Kunshan Cadic Auto Electric Co., Ltd | 12 |
5 |
Semiconductor Components Industries, L.L.C. | 5345 |
4 |
Fuji Electric Co., Ltd. | 4750 |
4 |
Board of Trustees of Michigan State University | 1141 |
4 |
Marshall Electric Corporation | 15 |
4 |
Walbro LLC | 203 |
4 |
Tenneco Inc | 274 |
4 |
Diamond Electric Mfg.Co.,Ltd. | 27 |
4 |
Hyundai Motor Company | 19021 |
3 |
OSRAM GmbH | 2442 |
3 |
Hitachi Automotive Systems Hanshin, Ltd. | 40 |
3 |
Honda Motor Co., Ltd. | 24537 |
2 |
Seiko Epson Corporation | 18724 |
2 |
Other owners | 99 |