- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 11/22 - Optical devices
Patent holdings for IPC class H02K 11/22
Total number of patents in this class: 252
10-year publication summary
|
28
|
30
|
41
|
45
|
35
|
20
|
20
|
22
|
21
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Motor Corporation | 524 |
10 |
| AAC Technologies (Nanjing) Co., Ltd. | 346 |
7 |
| Mitsumi Electric Co., Ltd. | 1079 |
7 |
| Valeo Systemes Thermiques | 2600 |
7 |
| Robert Bosch GmbH | 41786 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
5 |
| Toyota Industries Corporation | 1057 |
5 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1878 |
5 |
| Kabushiki Kaisha Yaskawa Denki | 1479 |
5 |
| Persimmon Technologies, Corp. | 149 |
5 |
| Samsung Electronics Co., Ltd. | 139001 |
4 |
| LG Electronics Inc. | 71039 |
4 |
| Seiko Epson Corporation | 18989 |
4 |
| LG Innotek Co., Ltd. | 7242 |
4 |
| ResMed Motor Technologies Inc | 77 |
4 |
| Nidec Corporation | 2601 |
4 |
| Clearmotion, Inc. | 160 |
4 |
| Minebea Mitsumi Inc. | 1616 |
4 |
| Mitsubishi Electric Corporation | 44851 |
3 |
| ARM Limited | 4497 |
3 |
| Other owners | 153 |