- 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: 9459
10-year publication summary
|
738
|
950
|
964
|
968
|
847
|
835
|
771
|
710
|
571
|
264
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29399 |
952 |
| Samsung Electronics Co., Ltd. | 146346 |
238 |
| Boe Technology Group Co., Ltd. | 41217 |
238 |
| Sony Semiconductor Solutions Corporation | 10467 |
204 |
| Sharp Kabushiki Kaisha | 18738 |
166 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
163 |
| Samsung Display Co., Ltd. | 34798 |
157 |
| 3m Innovative Properties Company | 17819 |
151 |
| Sumitomo Chemical Company, Limited | 9047 |
138 |
| Toppan Printing Co., Ltd. | 2132 |
135 |
| DIC Corporation | 3802 |
121 |
| Largan Precision Co., Ltd. | 1538 |
121 |
| Ability Opto-Electronics Technology Co., Ltd. | 365 |
116 |
| Sony Corporation | 31036 |
112 |
| Toray Industries, Inc. | 6945 |
110 |
| LG Chem, Ltd. | 17638 |
109 |
| Agc, Inc. | 4845 |
101 |
| Dai Nippon Printing Co., Ltd. | 4085 |
96 |
| Baylor University | 341 |
95 |
| Samsung SDI Co., Ltd. | 8330 |
87 |
| Other owners | 5849 |