- 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: 9790
10-year publication summary
|
954
|
964
|
969
|
848
|
838
|
776
|
743
|
591
|
424
|
248
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30562 |
937 |
| Samsung Electronics Co., Ltd. | 158337 |
242 |
| Boe Technology Group Co., Ltd. | 44250 |
240 |
| Sony Semiconductor Solutions Corporation | 11680 |
221 |
| Samsung Display Co., Ltd. | 38791 |
171 |
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
168 |
| 3m Innovative Properties Company | 17484 |
162 |
| Sharp Kabushiki Kaisha | 18520 |
153 |
| Sumitomo Chemical Company, Limited | 8963 |
146 |
| Toppan Printing Co., Ltd. | 2082 |
130 |
| Largan Precision Co., Ltd. | 1639 |
124 |
| DIC Corporation | 3968 |
121 |
| Toray Industries, Inc. | 7122 |
116 |
| Ability Opto-Electronics Technology Co., Ltd. | 365 |
116 |
| Agc, Inc. | 5563 |
114 |
| Sony Corporation | 30128 |
112 |
| LG Chem, Ltd. | 17937 |
108 |
| Baylor University | 383 |
105 |
| Samsung SDI Co., Ltd. | 10710 |
99 |
| Dai Nippon Printing Co., Ltd. | 4247 |
93 |
| Other owners | 6112 |