- 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: 708
10-year publication summary
|
33
|
65
|
87
|
68
|
62
|
72
|
70
|
45
|
62
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1958 |
59 |
| AAC Microtech (Changzhou) Co., Ltd. | 789 |
54 |
| Goertek Inc. | 2677 |
53 |
| AAC Technologies Pte. Ltd. | 1469 |
50 |
| Minebea Mitsumi Inc. | 1779 |
46 |
| LG Innotek Co., Ltd. | 7862 |
26 |
| Apple Inc. | 55791 |
18 |
| AAC Technologies (Nanjing) Co., Ltd. | 360 |
17 |
| Jahwa Electronics Co., Ltd. | 174 |
16 |
| Nidec Corporation | 2685 |
15 |
| Alps Alpine Co., Ltd. | 2122 |
14 |
| Nidec Sankyo Corporation | 1076 |
13 |
| LG Electronics Inc. | 73763 |
11 |
| Hamamatsu Photonics K.K. | 4461 |
11 |
| Mitsumi Electric Co., Ltd. | 1092 |
9 |
| CK Materials Lab Co., Ltd. | 109 |
8 |
| TDK Taiwan Corp. | 812 |
8 |
| Nidec Copal Corporation | 270 |
7 |
| Partron Co., Ltd. | 141 |
7 |
| Shanghai Shift Electrics Co., Ltd. | 75 |
7 |
| Other owners | 259 |