- 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: 720
10-year publication summary
|
32
|
42
|
62
|
79
|
68
|
75
|
82
|
87
|
82
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 6758 |
74 |
| AAC Technologies Pte. Ltd. | 1436 |
44 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
42 |
| Goertek Inc. | 2477 |
36 |
| Pioneer Corporation | 4843 |
24 |
| Nidec Sankyo Corporation | 1117 |
24 |
| AAC Microtech (Changzhou) Co., Ltd. | 458 |
15 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| Apple Inc. | 50209 |
14 |
| Mitsumi Electric Co., Ltd. | 1041 |
14 |
| Alps Alpine Co., Ltd. | 1831 |
14 |
| TDK Taiwan Corp. | 694 |
13 |
| Jahwa Electronics Co., Ltd. | 149 |
12 |
| Minebea Mitsumi Inc. | 1461 |
11 |
| AAC Technologies (Nanjing) Co., Ltd. | 242 |
9 |
| Yuzen (HK) Sustainable Energy Co., Ltd | 27 |
8 |
| Yuzen Sustainable Energy Pte Ltd | 27 |
8 |
| Hamamatsu Photonics K.K. | 4161 |
7 |
| Mplus Co., Ltd. | 32 |
7 |
| Yuzen Sustainable Energy Co., Ltd. | 26 |
7 |
| Other owners | 323 |