- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/20 - Filters
Patent holdings for IPC class G02B 5/20
Total number of patents in this class: 9772
10-year publication summary
|
954
|
964
|
969
|
848
|
838
|
775
|
743
|
591
|
424
|
231
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30514 |
936 |
| Samsung Electronics Co., Ltd. | 157719 |
241 |
| Boe Technology Group Co., Ltd. | 44029 |
240 |
| Sony Semiconductor Solutions Corporation | 11577 |
220 |
| Samsung Display Co., Ltd. | 38627 |
171 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
168 |
| 3m Innovative Properties Company | 17478 |
162 |
| Sharp Kabushiki Kaisha | 18523 |
153 |
| Sumitomo Chemical Company, Limited | 9016 |
146 |
| Toppan Printing Co., Ltd. | 2087 |
130 |
| Largan Precision Co., Ltd. | 1633 |
124 |
| DIC Corporation | 3962 |
121 |
| Toray Industries, Inc. | 7113 |
116 |
| Ability Opto-Electronics Technology Co., Ltd. | 365 |
116 |
| Agc, Inc. | 5524 |
113 |
| Sony Corporation | 30181 |
112 |
| LG Chem, Ltd. | 17921 |
108 |
| Baylor University | 381 |
105 |
| Samsung SDI Co., Ltd. | 10589 |
99 |
| Dai Nippon Printing Co., Ltd. | 4238 |
93 |
| Other owners | 6098 |