- 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: 1735
10-year publication summary
|
172
|
158
|
171
|
144
|
133
|
134
|
109
|
120
|
98
|
97
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17771 |
67 |
| Seiko Epson Corporation | 19664 |
62 |
| Carl Zeiss SMT GmbH | 3026 |
59 |
| FUJIFILM Corporation | 29696 |
49 |
| Nikon Corporation | 7271 |
49 |
| Ricoh Company, Ltd. | 13386 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
42 |
| Olympus Corporation | 13140 |
37 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2188 |
35 |
| Canon Inc. | 40509 |
33 |
| Apple Inc. | 55491 |
31 |
| Samsung Electronics Co., Ltd. | 147787 |
29 |
| Sony Corporation | 30921 |
28 |
| Raytheon Company | 8395 |
24 |
| Huawei Technologies Co., Ltd. | 114071 |
23 |
| Maxell, Ltd. | 2833 |
23 |
| Nittoh Inc. | 96 |
20 |
| META Platforms Technologies, LLC | 5929 |
19 |
| Nitto Denko Corporation | 8338 |
18 |
| Konica Minolta, Inc. | 8801 |
18 |
| Other owners | 1025 |