- 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: 194
10-year publication summary
12
|
24
|
23
|
25
|
26
|
24
|
21
|
10
|
16
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
AAC Technologies Pte. Ltd. | 1436 |
10 |
Hilti Aktiengesellschaft | 3227 |
9 |
Nidec Copal Corporation | 277 |
9 |
Apple Inc. | 50209 |
8 |
Nidec Sankyo Corporation | 1117 |
8 |
AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1827 |
7 |
LG Electronics Inc. | 69257 |
6 |
Mitsumi Electric Co., Ltd. | 1041 |
6 |
Samsung Electro-mechanics Co., Ltd. | 4798 |
4 |
Braun GmbH | 1290 |
4 |
Goertek Inc. | 2477 |
4 |
Kokusai Keisokuki Kabushiki Kaisha | 89 |
4 |
QM Power, Inc. | 60 |
4 |
Minebea Mitsumi Inc. | 1461 |
4 |
Alps Alpine Co., Ltd. | 1831 |
4 |
Harsco Technologies LLC | 162 |
3 |
Moog Inc. | 424 |
3 |
TDK Taiwan Corp. | 694 |
3 |
Honeywell International Inc. | 13799 |
2 |
LG Innotek Co., Ltd. | 6758 |
2 |
Other owners | 90 |