- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 1/34 - Reciprocating, oscillating or vibrating parts of the magnetic circuit
Patent holdings for IPC class H02K 1/34
Total number of patents in this class: 276
10-year publication summary
|
27
|
65
|
47
|
20
|
24
|
28
|
34
|
17
|
20
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Technologies Pte. Ltd. | 1467 |
21 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1953 |
16 |
| LG Electronics Inc. | 73588 |
14 |
| AAC Microtech (Changzhou) Co., Ltd. | 777 |
14 |
| Minebea Mitsumi Inc. | 1774 |
11 |
| LG Innotek Co., Ltd. | 7823 |
8 |
| Goertek Inc. | 2671 |
7 |
| Apple Inc. | 55491 |
6 |
| Nidec Sankyo Corporation | 1076 |
5 |
| Perpetuum Ltd. | 19 |
5 |
| Wepower Technologies LLC | 33 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 5664 |
4 |
| Delta Electronics, Inc. | 2649 |
4 |
| Jahwa Electronics Co., Ltd. | 172 |
4 |
| G.W. Lisk Company, Inc. | 36 |
3 |
| Samsung Electronics Co., Ltd. | 147787 |
2 |
| Denso Corporation | 24541 |
2 |
| STMicroelectronics S.r.l. | 3601 |
2 |
| Hamilton Sundstrand Corporation | 4923 |
2 |
| AAC Technologies (Nanjing) Co., Ltd. | 360 |
2 |
| Other owners | 139 |