- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/22 - Stereoscopic arrangements
Patent holdings for IPC class G02B 21/22
Total number of patents in this class: 314
10-year publication summary
30
|
31
|
40
|
36
|
24
|
26
|
22
|
20
|
16
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Carl Zeiss Meditec AG | 1541 |
56 |
Leica Instruments (Singapore) Pte. Ltd. | 185 |
17 |
Nikon Corporation | 7162 |
14 |
Olympus Corporation | 13667 |
11 |
Carl Zeiss Microscopy GmbH | 1146 |
11 |
Carl Zeiss MicroImaging GmbH | 153 |
9 |
Mitaka Kohki Co., Ltd. | 55 |
9 |
Vision Engineering Limited | 42 |
9 |
Leica Microsystems (Schweiz) AG | 106 |
8 |
Spiral Therapeutics Inc. | 44 |
8 |
Sony Corporation | 32931 |
6 |
Carl Zeiss Surgical GmbH | 73 |
6 |
Alcon, Inc. | 4899 |
5 |
Koh Young Technology Inc. | 332 |
5 |
Novartis AG | 11238 |
4 |
Carl Zeiss AG | 855 |
4 |
Intuitive Surgical Operations, Inc. | 3616 |
4 |
Kabushiki Kaisha Topcon | 614 |
4 |
Sony Olympus Medical Solutions Inc. | 347 |
4 |
Karl STORZ SE & Co. KG | 1622 |
4 |
Other owners | 116 |