- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 1/02 - Details of the magnetic circuit characterised by the magnetic material
Patent holdings for IPC class H02K 1/02
Total number of patents in this class: 1255
10-year publication summary
102
|
140
|
121
|
101
|
109
|
123
|
113
|
118
|
124
|
86
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24453 |
49 |
Toshiba Corporation | 12367 |
47 |
Mitsubishi Electric Corporation | 46197 |
47 |
Nippon Steel Corporation | 6274 |
40 |
TDK Corporation | 6761 |
37 |
Sumitomo Electric Industries, Ltd. | 15529 |
30 |
JFE Steel Corporation | 6849 |
30 |
Sumitomo Electric Sintered Alloy, Ltd. | 227 |
24 |
Robert Bosch GmbH | 42705 |
19 |
Denso Corporation | 24355 |
19 |
Hitachi, Ltd. | 15513 |
17 |
GM Global Technology Operations LLC | 15095 |
16 |
Ford Global Technologies, LLC | 20646 |
16 |
General Electric Company | 13810 |
14 |
Toyota Motor Corporation | 32450 |
14 |
Murata Manufacturing Co., Ltd. | 24603 |
13 |
Panasonic Intellectual Property Management Co., Ltd. | 31562 |
12 |
Evr Motors Ltd. | 23 |
12 |
Persimmon Technologies, Corp. | 149 |
12 |
Whylot SAS | 81 |
12 |
Other owners | 775 |