- 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: 159
10-year publication summary
|
10
|
24
|
24
|
25
|
13
|
22
|
15
|
11
|
14
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sheltered Wings, Inc. | 379 |
14 |
| Carl Zeiss Microscopy GmbH | 1146 |
4 |
| Hvrt Corp. | 54 |
4 |
| KLA-Tencor Corporation | 2574 |
4 |
| Magic Leap, Inc. | 3028 |
4 |
| Canon Inc. | 36841 |
3 |
| Raytheon Canada Limited | 152 |
3 |
| nLIGHT, Inc. | 380 |
3 |
| Sony Semiconductor Solutions Corporation | 8770 |
3 |
| Surys | 91 |
3 |
| The University of British Columbia | 1432 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| 3m Innovative Properties Company | 18406 |
2 |
| Honeywell International Inc. | 13799 |
2 |
| Microsoft Technology Licensing, LLC | 51439 |
2 |
| Carl Zeiss Meditec AG | 1541 |
2 |
| Carl Zeiss Vision International GmbH | 556 |
2 |
| DCG Systems, Inc. | 68 |
2 |
| Google LLC | 38759 |
2 |
| Illumina, Inc. | 2771 |
2 |
| Other owners | 93 |