- 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: 276
10-year publication summary
|
28
|
30
|
41
|
45
|
34
|
20
|
20
|
21
|
21
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Motor Corporation | 524 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 32296 |
7 |
| AAC Technologies (Nanjing) Co., Ltd. | 360 |
7 |
| Mitsumi Electric Co., Ltd. | 1095 |
7 |
| Valeo Systemes Thermiques | 2757 |
7 |
| Robert Bosch GmbH | 43001 |
5 |
| LG Innotek Co., Ltd. | 7904 |
5 |
| Toyota Industries Corporation | 1150 |
5 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1962 |
5 |
| Kabushiki Kaisha Yaskawa Denki | 1470 |
5 |
| Persimmon Technologies, Corp. | 155 |
5 |
| Samsung Electronics Co., Ltd. | 148765 |
4 |
| LG Electronics Inc. | 73680 |
4 |
| Seiko Epson Corporation | 19675 |
4 |
| Mitsubishi Electric Corporation | 46814 |
4 |
| ResMed Motor Technologies Inc | 76 |
4 |
| Nidec Corporation | 2698 |
4 |
| Clearmotion, Inc. | 175 |
4 |
| Minebea Mitsumi Inc. | 1792 |
4 |
| Siemens AG | 24342 |
3 |
| Other owners | 172 |