- 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: 286
10-year publication summary
|
30
|
41
|
45
|
35
|
20
|
20
|
23
|
23
|
28
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Motor Corporation | 528 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
7 |
| AAC Technologies (Nanjing) Co., Ltd. | 363 |
7 |
| Mitsumi Electric Co., Ltd. | 1135 |
7 |
| Valeo Systemes Thermiques | 2825 |
7 |
| Clearmotion, Inc. | 191 |
6 |
| Robert Bosch GmbH | 44160 |
5 |
| LG Innotek Co., Ltd. | 8466 |
5 |
| Toyota Industries Corporation | 1209 |
5 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2023 |
5 |
| Kabushiki Kaisha Yaskawa Denki | 1463 |
5 |
| Persimmon Technologies, Corp. | 161 |
5 |
| Samsung Electronics Co., Ltd. | 157719 |
4 |
| LG Electronics Inc. | 75694 |
4 |
| Seiko Epson Corporation | 20256 |
4 |
| Mitsubishi Electric Corporation | 48018 |
4 |
| ResMed Motor Technologies Inc | 71 |
4 |
| Nidec Corporation | 2817 |
4 |
| Minebea Mitsumi Inc. | 1943 |
4 |
| Siemens AG | 24029 |
3 |
| Other owners | 180 |