- 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: 205
10-year publication summary
|
16
|
20
|
18
|
8
|
13
|
7
|
10
|
8
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4312 |
10 |
| Rambus Inc. | 2243 |
8 |
| Ramot at Tel-Aviv University Ltd. | 1534 |
8 |
| Ouster, Inc. | 170 |
8 |
| Sense Photonics, Inc. | 133 |
5 |
| Sony Corporation | 30263 |
4 |
| KLA-Tencor Corporation | 2520 |
4 |
| Maxell Holdings, Ltd. | 1266 |
4 |
| Maxell, Ltd. | 2993 |
4 |
| Hitachi, Ltd. | 16013 |
3 |
| Nikon Corporation | 7247 |
3 |
| Olympus Corporation | 12960 |
3 |
| California Institute of Technology | 4035 |
3 |
| President and Fellows of Harvard College | 6076 |
3 |
| Thales | 1783 |
3 |
| Aptiv Technologies AG | 2408 |
3 |
| Samsung Electronics Co., Ltd. | 156823 |
2 |
| Apple Inc. | 58534 |
2 |
| The Regents of the University of California | 20669 |
2 |
| Canon Inc. | 43010 |
2 |
| Other owners | 121 |