- 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: 1614
10-year publication summary
120
|
172
|
159
|
175
|
145
|
138
|
132
|
105
|
115
|
35
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Seiko Epson Corporation | 18724 |
59 |
Nikon Corporation | 7162 |
56 |
Carl Zeiss SMT GmbH | 2646 |
56 |
3m Innovative Properties Company | 18406 |
55 |
FUJIFILM Corporation | 27102 |
48 |
Ricoh Company, Ltd. | 13266 |
43 |
Olympus Corporation | 13667 |
39 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
39 |
The Arizona Board of Regents on Behalf of the University of Arizona | 1906 |
32 |
Sony Corporation | 32931 |
31 |
Canon Inc. | 36841 |
26 |
Samsung Electronics Co., Ltd. | 131630 |
24 |
Raytheon Company | 8535 |
23 |
Maxell, Ltd. | 2533 |
23 |
Apple Inc. | 50209 |
21 |
Nittoh Inc. | 96 |
20 |
Huawei Technologies Co., Ltd. | 100781 |
19 |
Konica Minolta, Inc. | 8349 |
18 |
META Platforms Technologies, LLC | 4806 |
17 |
Koninklijke Philips Electronics N.V. | 13133 |
16 |
Other owners | 949 |