- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/32 - Fiducial marks or measuring scales within the optical system
Patent holdings for IPC class G02B 27/32
Total number of patents in this class: 165
10-year publication summary
|
24
|
24
|
26
|
13
|
22
|
15
|
12
|
14
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sheltered Wings, Inc. | 405 |
16 |
| Carl Zeiss Microscopy GmbH | 1171 |
4 |
| Hvrt Corp. | 54 |
4 |
| Magic Leap, Inc. | 3248 |
4 |
| nLIGHT, Inc. | 395 |
4 |
| Canon Inc. | 38114 |
3 |
| Raytheon Canada Limited | 143 |
3 |
| KLA-Tencor Corporation | 2550 |
3 |
| Surys | 95 |
3 |
| The University of British Columbia | 1468 |
3 |
| Apple Inc. | 52680 |
2 |
| Qualcomm Incorporated | 81758 |
2 |
| 3m Innovative Properties Company | 17951 |
2 |
| Honeywell International Inc. | 14012 |
2 |
| Nikon Corporation | 7126 |
2 |
| Sandisk Technologies Inc. | 4945 |
2 |
| Microsoft Technology Licensing, LLC | 52893 |
2 |
| Carl Zeiss Meditec AG | 1597 |
2 |
| Carl Zeiss Vision International GmbH | 609 |
2 |
| DCG Systems, Inc. | 62 |
2 |
| Other owners | 98 |