- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 17/02 - Catoptric systems, e.g. image erecting and reversing system
Patent holdings for IPC class G02B 17/02
Total number of patents in this class: 182
10-year publication summary
|
19
|
19
|
20
|
23
|
18
|
17
|
15
|
13
|
15
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 139302 |
6 |
| Huawei Technologies Co., Ltd. | 106915 |
6 |
| Samsung Electro-mechanics Co., Ltd. | 5216 |
5 |
| Ricoh Company, Ltd. | 13222 |
4 |
| Sony Corporation | 31530 |
3 |
| Canon Inc. | 38240 |
3 |
| Raytheon Company | 8442 |
3 |
| Carl Zeiss SMT GmbH | 2819 |
3 |
| Boe Technology Group Co., Ltd. | 38978 |
3 |
| Avegant Corp. | 85 |
3 |
| Gigaphoton Inc. | 1190 |
3 |
| Viavi Solutions Inc. | 1394 |
3 |
| LG Electronics Inc. | 71074 |
2 |
| Toyota Motor Corporation | 30499 |
2 |
| Thomson Licensing | 3785 |
2 |
| LG Innotek Co., Ltd. | 7254 |
2 |
| Asia Optical Co., Inc. | 196 |
2 |
| Carl Zeiss Microscopy GmbH | 1175 |
2 |
| The Charles Stark Draper Laboratory, Inc. | 906 |
2 |
| Cognex Corporation | 565 |
2 |
| Other owners | 121 |