- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Patent holdings for IPC class H02K 33/18
Total number of patents in this class: 865
10-year publication summary
|
60
|
79
|
67
|
75
|
83
|
91
|
85
|
89
|
66
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 8163 |
81 |
| Goertek Inc. | 2760 |
48 |
| AAC Microtech (Changzhou) Co., Ltd. | 908 |
46 |
| AAC Technologies Pte. Ltd. | 1494 |
45 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2009 |
42 |
| Nidec Sankyo Corporation | 1063 |
26 |
| Pioneer Corporation | 3848 |
24 |
| Alps Alpine Co., Ltd. | 2229 |
21 |
| Minebea Mitsumi Inc. | 1872 |
18 |
| Apple Inc. | 58049 |
15 |
| Mitsumi Electric Co., Ltd. | 1098 |
15 |
| Samsung Electronics Co., Ltd. | 153573 |
14 |
| AAC Technologies (Nanjing) Co., Ltd. | 363 |
14 |
| Jahwa Electronics Co., Ltd. | 194 |
14 |
| TDK Taiwan Corp. | 818 |
14 |
| Huawei Technologies Co., Ltd. | 119891 |
11 |
| Hamamatsu Photonics K.K. | 4595 |
8 |
| Murata Manufacturing Co., Ltd. | 25506 |
7 |
| Yuzen (HK) Sustainable Energy Co., Ltd | 26 |
7 |
| Yuzen Sustainable Energy Pte Ltd | 26 |
7 |
| Other owners | 388 |