- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/44 - Grating systems; Zone plate systems
Patent holdings for IPC class G02B 27/44
Total number of patents in this class: 348
10-year publication summary
|
10
|
12
|
14
|
28
|
26
|
28
|
28
|
16
|
27
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magic Leap, Inc. | 3028 |
29 |
| Microsoft Technology Licensing, LLC | 51439 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Nokia Corporation | 6965 |
9 |
| Vuzix Corporation | 182 |
9 |
| META Platforms Technologies, LLC | 4806 |
9 |
| Apple Inc. | 50209 |
7 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
6 |
| Dispelix Oy | 120 |
6 |
| Lumentum Operations LLC | 696 |
6 |
| Applied Materials, Inc. | 16587 |
5 |
| Leia Inc. | 392 |
5 |
| The Regents of the University of California | 18943 |
4 |
| Panasonic Corporation | 20786 |
4 |
| Boe Technology Group Co., Ltd. | 35384 |
4 |
| Snap Inc. | 4604 |
4 |
| Digilens, Inc. | 195 |
4 |
| Nokia Inc. | 2036 |
4 |
| Johnson & Johnson Surgical Vision, Inc. | 968 |
4 |
| Agc, Inc. | 4029 |
4 |
| Other owners | 202 |