- 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: 191
10-year publication summary
|
20
|
17
|
17
|
13
|
8
|
8
|
6
|
8
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magic Leap, Inc. | 3423 |
9 |
| e-Vision Smart Optics, Inc. | 128 |
8 |
| Koh Young Technology Inc. | 368 |
8 |
| Canon Inc. | 44285 |
5 |
| Samsung Electronics Co., Ltd. | 159029 |
4 |
| ASML Netherlands B.V. | 8019 |
4 |
| Q-linea AB | 64 |
4 |
| University of Washington through its Center for Commercialization | 506 |
4 |
| Evident Corporation | 1021 |
4 |
| California Institute of Technology | 4038 |
3 |
| Avegant Corp. | 87 |
3 |
| IPG Photonics Corporation | 594 |
3 |
| Leica Biosystems Imaging, Inc. | 271 |
3 |
| Thorlabs, Inc. | 370 |
3 |
| Metavc Patent Holding Company | 61 |
3 |
| Revelyst Operations LLC | 405 |
3 |
| Centre National de La Recherche Scientifique | 11111 |
2 |
| Industrial Technology Research Institute | 5196 |
2 |
| Nikon Corporation | 7233 |
2 |
| Microsoft Technology Licensing, LLC | 54586 |
2 |
| Other owners | 112 |