- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 17/08 - Catadioptric systems
Patent holdings for IPC class G02B 17/08
Total number of patents in this class: 1798
10-year publication summary
|
159
|
175
|
145
|
140
|
135
|
110
|
122
|
102
|
117
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20227 |
65 |
| 3m Innovative Properties Company | 17497 |
61 |
| Carl Zeiss SMT GmbH | 3315 |
57 |
| FUJIFILM Corporation | 30479 |
54 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
49 |
| Ricoh Company, Ltd. | 13343 |
44 |
| Nikon Corporation | 7238 |
42 |
| Canon Inc. | 43707 |
40 |
| Olympus Corporation | 12943 |
35 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2290 |
34 |
| Apple Inc. | 58621 |
33 |
| Samsung Electronics Co., Ltd. | 157300 |
31 |
| Sony Corporation | 30236 |
28 |
| Huawei Technologies Co., Ltd. | 122871 |
27 |
| Raytheon Company | 8456 |
25 |
| Maxell, Ltd. | 3005 |
23 |
| Canon Kabushiki Kaisha | 7303 |
21 |
| Nittoh Inc. | 96 |
20 |
| META Platforms Technologies, LLC | 6444 |
19 |
| Nitto Denko Corporation | 8517 |
18 |
| Other owners | 1072 |