- 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: 4009
10-year publication summary
|
298
|
341
|
393
|
436
|
397
|
444
|
397
|
362
|
327
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17957 |
176 |
| META Platforms Technologies, LLC | 5357 |
169 |
| Seiko Epson Corporation | 18989 |
95 |
| Lumus Ltd. | 435 |
91 |
| Samsung Electronics Co., Ltd. | 139001 |
87 |
| Magic Leap, Inc. | 3250 |
81 |
| Boe Technology Group Co., Ltd. | 38881 |
68 |
| FUJIFILM Corporation | 28805 |
60 |
| Huawei Technologies Co., Ltd. | 106762 |
57 |
| Mentor Acquisition One, LLC | 302 |
56 |
| Sony Corporation | 31541 |
54 |
| Shin-Etsu Chemical Co., Ltd. | 5446 |
51 |
| Google LLC | 40853 |
44 |
| Microsoft Technology Licensing, LLC | 52886 |
39 |
| Samsung Display Co., Ltd. | 32798 |
37 |
| Canon Inc. | 38148 |
36 |
| Apple Inc. | 52750 |
35 |
| Carl Zeiss SMT GmbH | 2815 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
30 |
| Seurat Technologies, Inc. | 147 |
30 |
| Other owners | 2680 |