- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/46 - Systems using spatial filters
Patent holdings for IPC class G02B 27/46
Total number of patents in this class: 213
10-year publication summary
|
14
|
16
|
20
|
17
|
8
|
13
|
7
|
9
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4156 |
10 |
| Rambus Inc. | 2359 |
8 |
| Ouster, Inc. | 167 |
8 |
| Ramot at Tel-Aviv University Ltd. | 1490 |
6 |
| Sony Corporation | 30910 |
5 |
| Sense Photonics, Inc. | 135 |
5 |
| Nikon Corporation | 7298 |
4 |
| KLA-Tencor Corporation | 2543 |
4 |
| Maxell Holdings, Ltd. | 1296 |
4 |
| Maxell, Ltd. | 2837 |
4 |
| Hitachi, Ltd. | 15599 |
3 |
| Olympus Corporation | 13127 |
3 |
| California Institute of Technology | 3986 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6487 |
3 |
| President and Fellows of Harvard College | 6005 |
3 |
| Thales | 1820 |
3 |
| Aptiv Technologies AG | 2376 |
3 |
| Samsung Electronics Co., Ltd. | 147983 |
2 |
| Apple Inc. | 55640 |
2 |
| The Regents of the University of California | 20137 |
2 |
| Other owners | 128 |