- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 33/04 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
Patent holdings for IPC class H02K 33/04
Total number of patents in this class: 64
10-year publication summary
|
2
|
6
|
8
|
7
|
10
|
0
|
3
|
7
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 7213 |
9 |
| Minebea Mitsumi Inc. | 1611 |
7 |
| LG Electronics Inc. | 70898 |
4 |
| Nidec Copal Corporation | 273 |
4 |
| Nidec Sankyo Corporation | 1095 |
3 |
| AAC Microtech (Changzhou) Co., Ltd. | 630 |
2 |
| Braun GmbH | 1325 |
2 |
| AAC Technologies Pte. Ltd. | 1439 |
2 |
| Actronika SAS | 3 |
2 |
| Samsung Electronics Co., Ltd. | 138518 |
1 |
| Panasonic Electric Works Co., Ltd. | 753 |
1 |
| Robert Bosch GmbH | 41717 |
1 |
| Murata Manufacturing Co., Ltd. | 23648 |
1 |
| Sanyo Electric Co., Ltd. | 3796 |
1 |
| Hyundai Motor Company | 20403 |
1 |
| Nippon Telegraph and Telephone Corporation | 16244 |
1 |
| BSH Bosch und Siemens Hausgerate GmbH | 3054 |
1 |
| Centre National d'Etudes Spatiales (C.N.E.S.) | 129 |
1 |
| Clarion Co., Ltd. | 872 |
1 |
| Goertek Inc. | 2588 |
1 |
| Other owners | 18 |