- 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: 201
10-year publication summary
|
24
|
23
|
25
|
26
|
24
|
21
|
11
|
16
|
10
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AAC Technologies Pte. Ltd. | 1461 |
10 |
| Hilti Aktiengesellschaft | 3496 |
9 |
| Nidec Copal Corporation | 271 |
9 |
| Apple Inc. | 54773 |
8 |
| Nidec Sankyo Corporation | 1081 |
8 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1938 |
7 |
| LG Electronics Inc. | 72962 |
6 |
| Mitsumi Electric Co., Ltd. | 1089 |
6 |
| Minebea Mitsumi Inc. | 1734 |
6 |
| Alps Alpine Co., Ltd. | 2084 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 5612 |
4 |
| Braun GmbH | 1347 |
4 |
| Goertek Inc. | 2655 |
4 |
| Kokusai Keisokuki Kabushiki Kaisha | 97 |
4 |
| QM Power, Inc. | 55 |
4 |
| AAC Technologies (Nanjing) Co., Ltd. | 360 |
3 |
| Harsco Technologies LLC | 147 |
3 |
| TDK Taiwan Corp. | 806 |
3 |
| Honeywell International Inc. | 13539 |
2 |
| Murata Manufacturing Co., Ltd. | 24503 |
2 |
| Other owners | 94 |