- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 33/02 - 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
Patent holdings for IPC class H02K 33/02
Total number of patents in this class: 632
10-year publication summary
|
33
|
34
|
65
|
88
|
68
|
64
|
74
|
66
|
40
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
57 |
| Goertek Inc. | 2477 |
53 |
| AAC Technologies Pte. Ltd. | 1436 |
49 |
| Minebea Mitsumi Inc. | 1461 |
32 |
| AAC Microtech (Changzhou) Co., Ltd. | 458 |
28 |
| LG Innotek Co., Ltd. | 6758 |
23 |
| Apple Inc. | 50209 |
16 |
| AAC Technologies (Nanjing) Co., Ltd. | 242 |
16 |
| Jahwa Electronics Co., Ltd. | 149 |
15 |
| LG Electronics Inc. | 69257 |
13 |
| Nidec Corporation | 2579 |
13 |
| Nidec Sankyo Corporation | 1117 |
12 |
| Alps Alpine Co., Ltd. | 1831 |
11 |
| Hamamatsu Photonics K.K. | 4161 |
10 |
| Mitsumi Electric Co., Ltd. | 1041 |
10 |
| Nidec Copal Corporation | 277 |
8 |
| Mplus Co., Ltd. | 32 |
7 |
| Partron Co., Ltd. | 128 |
7 |
| Braun GmbH | 1290 |
6 |
| TDK Taiwan Corp. | 694 |
6 |
| Other owners | 240 |