- 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: 1219
10-year publication summary
87
|
105
|
101
|
127
|
135
|
117
|
78
|
88
|
70
|
28
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Denso Corporation | 24120 |
122 |
Mitsubishi Electric Corporation | 45811 |
72 |
Aisin AW Co., Ltd. | 2338 |
60 |
Hitachi Automotive Systems, Ltd. | 3958 |
57 |
Nidec Corporation | 2644 |
35 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12864 |
32 |
Hitachi Astemo, Ltd. | 6369 |
30 |
Hitachi, Ltd. | 15434 |
21 |
Honda Motor Co., Ltd. | 25137 |
16 |
Panasonic Intellectual Property Management Co., Ltd. | 30967 |
15 |
Komatsu Ltd. | 4505 |
14 |
Linear Labs, Inc. | 75 |
14 |
Odawara Engineering Company Limited | 30 |
11 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6274 |
11 |
Siemens AG | 24561 |
10 |
Aisin Corporation | 1516 |
10 |
Toshiba Corporation | 12286 |
9 |
Sumitomo Electric Industries, Ltd. | 15344 |
9 |
Robert Bosch GmbH | 42450 |
9 |
GM Global Technology Operations LLC | 14879 |
9 |
Other owners | 653 |