- 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: 1768
10-year publication summary
|
158
|
171
|
144
|
133
|
134
|
109
|
122
|
99
|
114
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17596 |
66 |
| Seiko Epson Corporation | 19809 |
61 |
| Carl Zeiss SMT GmbH | 3169 |
58 |
| FUJIFILM Corporation | 30063 |
53 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
46 |
| Nikon Corporation | 7266 |
45 |
| Ricoh Company, Ltd. | 13335 |
44 |
| Canon Inc. | 41739 |
38 |
| Olympus Corporation | 13058 |
37 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2243 |
35 |
| Apple Inc. | 57234 |
33 |
| Samsung Electronics Co., Ltd. | 151726 |
29 |
| Sony Corporation | 30578 |
28 |
| Huawei Technologies Co., Ltd. | 118321 |
25 |
| Raytheon Company | 8465 |
25 |
| Maxell, Ltd. | 2913 |
23 |
| Nittoh Inc. | 96 |
20 |
| Canon Kabushiki Kaisha | 7203 |
20 |
| META Platforms Technologies, LLC | 6193 |
19 |
| Nitto Denko Corporation | 8411 |
18 |
| Other owners | 1045 |