- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Patent holdings for IPC class H02K 33/18
Total number of patents in this class: 888
10-year publication summary
|
62
|
79
|
68
|
75
|
83
|
91
|
85
|
90
|
67
|
53
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 8453 |
82 |
| AAC Microtech (Changzhou) Co., Ltd. | 1021 |
53 |
| Goertek Inc. | 2820 |
50 |
| AAC Technologies Pte. Ltd. | 1505 |
45 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2023 |
42 |
| Nidec Sankyo Corporation | 1054 |
26 |
| Pioneer Corporation | 3782 |
24 |
| Alps Alpine Co., Ltd. | 2303 |
21 |
| Minebea Mitsumi Inc. | 1938 |
17 |
| Apple Inc. | 58705 |
16 |
| Actutek Corporation | 851 |
16 |
| Jahwa Electronics Co., Ltd. | 202 |
15 |
| Mitsumi Electric Co., Ltd. | 1140 |
15 |
| Samsung Electronics Co., Ltd. | 157557 |
14 |
| AAC Technologies (Nanjing) Co., Ltd. | 363 |
14 |
| Huawei Technologies Co., Ltd. | 123282 |
12 |
| Murata Manufacturing Co., Ltd. | 25722 |
8 |
| Hamamatsu Photonics K.K. | 4669 |
8 |
| Yuzen (HK) Sustainable Energy Co., Ltd | 26 |
7 |
| Yuzen Sustainable Energy Pte Ltd | 26 |
7 |
| Other owners | 396 |