- 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: 4564
10-year publication summary
|
341
|
394
|
436
|
397
|
446
|
405
|
385
|
344
|
367
|
239
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17459 |
195 |
| META Platforms Technologies, LLC | 6506 |
181 |
| Samsung Electronics Co., Ltd. | 158605 |
117 |
| Seiko Epson Corporation | 20365 |
101 |
| Lumus Ltd. | 511 |
96 |
| Magic Leap, Inc. | 3411 |
95 |
| FUJIFILM Corporation | 30628 |
71 |
| Boe Technology Group Co., Ltd. | 44484 |
69 |
| Huawei Technologies Co., Ltd. | 124379 |
66 |
| Mentor Acquisition One, LLC | 339 |
61 |
| Shin-Etsu Chemical Co., Ltd. | 6127 |
57 |
| Google LLC | 44674 |
55 |
| Sony Corporation | 30097 |
54 |
| Canon Inc. | 44134 |
49 |
| Samsung Display Co., Ltd. | 38914 |
42 |
| Microsoft Technology Licensing, LLC | 54524 |
42 |
| Seurat Technologies, Inc. | 176 |
41 |
| Apple Inc. | 59117 |
40 |
| Nitto Denko Corporation | 8565 |
35 |
| Carl Zeiss SMT GmbH | 3356 |
34 |
| Other owners | 3063 |