- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/40 - Optical focusing aids
Patent holdings for IPC class G02B 27/40
Total number of patents in this class: 199
10-year publication summary
|
10
|
22
|
20
|
17
|
17
|
12
|
7
|
8
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| e-Vision Smart Optics, Inc. | 129 |
7 |
| Koh Young Technology Inc. | 332 |
6 |
| Magic Leap, Inc. | 3028 |
6 |
| Canon Inc. | 36841 |
5 |
| Evident Corporation | 1072 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| ASML Netherlands B.V. | 6816 |
4 |
| Leica Microsystems CMS GmbH | 1034 |
4 |
| Q-linea AB | 65 |
4 |
| University of Washington through its Center for Commercialization | 498 |
4 |
| Vista Outdoor Operations LLC | 511 |
4 |
| California Institute of Technology | 3884 |
3 |
| Avegant Corp. | 78 |
3 |
| Fakespace Labs, Inc. | 21 |
3 |
| Leica Biosystems Imaging, Inc. | 237 |
3 |
| Thorlabs, Inc. | 415 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Industrial Technology Research Institute | 4898 |
2 |
| Nikon Corporation | 7162 |
2 |
| Casio Computer Co., Ltd. | 3343 |
2 |
| Other owners | 123 |