- 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: 228
10-year publication summary
|
19
|
14
|
16
|
20
|
18
|
8
|
13
|
7
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rambus Inc. | 2314 |
8 |
| Dolby Laboratories Licensing Corporation | 3883 |
7 |
| Ouster, Inc. | 163 |
7 |
| Ramot at Tel-Aviv University Ltd. | 1370 |
6 |
| Sony Corporation | 32931 |
5 |
| Nikon Corporation | 7162 |
5 |
| Sense Photonics, Inc. | 137 |
5 |
| KLA-Tencor Corporation | 2574 |
4 |
| Maxell Holdings, Ltd. | 1422 |
4 |
| Maxell, Ltd. | 2533 |
4 |
| Thales | 1854 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| Hitachi, Ltd. | 16452 |
3 |
| Olympus Corporation | 13667 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| California Institute of Technology | 3884 |
3 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
3 |
| CDM Optics, Inc. | 10 |
3 |
| OmniVision Technologies, Inc. | 1502 |
3 |
| Aptiv Technologies AG | 2097 |
3 |
| Other owners | 142 |