- 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: 3815
10-year publication summary
|
240
|
298
|
341
|
393
|
436
|
396
|
440
|
394
|
347
|
106
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
168 |
| META Platforms Technologies, LLC | 4806 |
158 |
| Seiko Epson Corporation | 18724 |
95 |
| Lumus Ltd. | 387 |
82 |
| Samsung Electronics Co., Ltd. | 131630 |
80 |
| Magic Leap, Inc. | 3028 |
70 |
| Boe Technology Group Co., Ltd. | 35384 |
68 |
| Sony Corporation | 32931 |
58 |
| Huawei Technologies Co., Ltd. | 100781 |
55 |
| FUJIFILM Corporation | 27102 |
54 |
| Mentor Acquisition One, LLC | 280 |
53 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
45 |
| Google LLC | 38759 |
42 |
| Microsoft Technology Licensing, LLC | 51439 |
39 |
| Samsung Display Co., Ltd. | 30585 |
36 |
| Canon Inc. | 36841 |
36 |
| Carl Zeiss SMT GmbH | 2646 |
35 |
| Apple Inc. | 50209 |
32 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
31 |
| Nikon Corporation | 7162 |
27 |
| Other owners | 2551 |