- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/04 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
Patent holdings for IPC class H02K 3/04
Total number of patents in this class: 1243
10-year publication summary
|
81
|
98
|
98
|
127
|
128
|
114
|
81
|
90
|
70
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24601 |
122 |
| Mitsubishi Electric Corporation | 46672 |
74 |
| Aisin AW Co., Ltd. | 2318 |
60 |
| Hitachi Automotive Systems, Ltd. | 3955 |
57 |
| Nidec Corporation | 2685 |
36 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12737 |
32 |
| Hitachi Astemo, Ltd. | 6377 |
32 |
| Hitachi, Ltd. | 15612 |
21 |
| Honda Motor Co., Ltd. | 25776 |
16 |
| Komatsu Ltd. | 4607 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
15 |
| Linear Labs, Inc. | 75 |
14 |
| Aisin Corporation | 1656 |
12 |
| Odawara Engineering Company Limited | 30 |
11 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6262 |
11 |
| Siemens AG | 24350 |
10 |
| Sumitomo Electric Industries, Ltd. | 15678 |
10 |
| Hyperloop Technologies, Inc. | 180 |
10 |
| Toshiba Corporation | 12516 |
9 |
| Robert Bosch GmbH | 42887 |
9 |
| Other owners | 666 |