- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 33/12 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
Patent holdings for IPC class H02K 33/12
Total number of patents in this class: 214
10-year publication summary
|
23
|
25
|
26
|
24
|
21
|
12
|
16
|
10
|
15
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Technologies Pte. Ltd. | 1505 |
10 |
| Hilti Aktiengesellschaft | 3675 |
9 |
| Nidec Copal Corporation | 269 |
9 |
| Apple Inc. | 58885 |
8 |
| Nidec Sankyo Corporation | 1052 |
8 |
| Minebea Mitsumi Inc. | 1945 |
8 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2023 |
7 |
| LG Electronics Inc. | 75818 |
6 |
| Goertek Inc. | 2825 |
6 |
| Mitsumi Electric Co., Ltd. | 1137 |
6 |
| Alps Alpine Co., Ltd. | 2310 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 6091 |
4 |
| Braun GmbH | 1383 |
4 |
| Kokusai Keisokuki Kabushiki Kaisha | 102 |
4 |
| QM Power, Inc. | 52 |
4 |
| AAC Technologies (Nanjing) Co., Ltd. | 363 |
3 |
| Harsco Technologies LLC | 139 |
3 |
| Actutek Corporation | 851 |
3 |
| Honeywell International Inc. | 12772 |
2 |
| Mitsubishi Electric Corporation | 48048 |
2 |
| Other owners | 103 |