- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
Patent holdings for IPC class G02B 27/28
Total number of patents in this class: 4301
10-year publication summary
|
295
|
340
|
389
|
428
|
391
|
442
|
396
|
372
|
333
|
320
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17739 |
187 |
| META Platforms Technologies, LLC | 6016 |
177 |
| Samsung Electronics Co., Ltd. | 148765 |
104 |
| Seiko Epson Corporation | 19675 |
98 |
| Lumus Ltd. | 469 |
92 |
| Magic Leap, Inc. | 3325 |
90 |
| Boe Technology Group Co., Ltd. | 41615 |
69 |
| FUJIFILM Corporation | 29775 |
65 |
| Huawei Technologies Co., Ltd. | 115366 |
64 |
| Mentor Acquisition One, LLC | 329 |
59 |
| Sony Corporation | 30812 |
54 |
| Shin-Etsu Chemical Co., Ltd. | 5764 |
53 |
| Google LLC | 43003 |
51 |
| Microsoft Technology Licensing, LLC | 54207 |
42 |
| Canon Inc. | 40926 |
39 |
| Samsung Display Co., Ltd. | 36065 |
38 |
| Apple Inc. | 56170 |
36 |
| Seurat Technologies, Inc. | 162 |
36 |
| Nitto Denko Corporation | 8349 |
33 |
| Carl Zeiss SMT GmbH | 3070 |
33 |
| Other owners | 2881 |