- 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: 175
10-year publication summary
|
16
|
19
|
19
|
20
|
23
|
18
|
17
|
15
|
11
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Ricoh Company, Ltd. | 13266 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| Sony Corporation | 32931 |
3 |
| Canon Inc. | 36841 |
3 |
| Raytheon Company | 8535 |
3 |
| Carl Zeiss SMT GmbH | 2646 |
3 |
| Boe Technology Group Co., Ltd. | 35384 |
3 |
| Avegant Corp. | 78 |
3 |
| Carl Zeiss Microscopy GmbH | 1146 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| Thomson Licensing | 4027 |
2 |
| LG Innotek Co., Ltd. | 6758 |
2 |
| Asia Optical Co., Inc. | 189 |
2 |
| The Charles Stark Draper Laboratory, Inc. | 913 |
2 |
| Cognex Corporation | 521 |
2 |
| Gigaphoton Inc. | 1120 |
2 |
| II-VI Delaware, Inc. | 1720 |
2 |
| Largan Precision Co., Ltd. | 1411 |
2 |
| Other owners | 120 |