- 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: 291
10-year publication summary
|
65
|
47
|
21
|
24
|
30
|
34
|
17
|
20
|
18
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Technologies Pte. Ltd. | 1499 |
21 |
| AAC Microtech (Changzhou) Co., Ltd. | 1001 |
18 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2020 |
16 |
| LG Electronics Inc. | 75561 |
14 |
| Goertek Inc. | 2814 |
11 |
| Minebea Mitsumi Inc. | 1930 |
11 |
| LG Innotek Co., Ltd. | 8398 |
8 |
| Apple Inc. | 58592 |
6 |
| Wepower Technologies LLC | 36 |
6 |
| Nidec Sankyo Corporation | 1056 |
5 |
| Perpetuum Ltd. | 16 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 6058 |
4 |
| Delta Electronics, Inc. | 2817 |
4 |
| Jahwa Electronics Co., Ltd. | 202 |
4 |
| G.W. Lisk Company, Inc. | 36 |
3 |
| Samsung Electronics Co., Ltd. | 157039 |
2 |
| Denso Corporation | 25471 |
2 |
| STMicroelectronics S.r.l. | 3385 |
2 |
| Hamilton Sundstrand Corporation | 5019 |
2 |
| AAC Technologies (Nanjing) Co., Ltd. | 363 |
2 |
| Other owners | 145 |