- 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: 1714
10-year publication summary
|
172
|
159
|
175
|
145
|
140
|
135
|
109
|
118
|
98
|
78
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17833 |
67 |
| Seiko Epson Corporation | 19352 |
62 |
| Carl Zeiss SMT GmbH | 2978 |
59 |
| FUJIFILM Corporation | 29367 |
49 |
| Nikon Corporation | 7163 |
49 |
| Ricoh Company, Ltd. | 13247 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
42 |
| Olympus Corporation | 13182 |
37 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2157 |
34 |
| Apple Inc. | 54844 |
29 |
| Canon Inc. | 39888 |
29 |
| Samsung Electronics Co., Ltd. | 146092 |
28 |
| Sony Corporation | 31052 |
28 |
| Raytheon Company | 8389 |
24 |
| Maxell, Ltd. | 2797 |
23 |
| Huawei Technologies Co., Ltd. | 112438 |
22 |
| Nittoh Inc. | 96 |
20 |
| META Platforms Technologies, LLC | 5792 |
19 |
| Nitto Denko Corporation | 8231 |
18 |
| Konica Minolta, Inc. | 8729 |
18 |
| Other owners | 1013 |