- 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: 9607
10-year publication summary
|
729
|
941
|
949
|
953
|
841
|
829
|
767
|
722
|
573
|
421
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29871 |
948 |
| Samsung Electronics Co., Ltd. | 149582 |
240 |
| Boe Technology Group Co., Ltd. | 41901 |
239 |
| Sony Semiconductor Solutions Corporation | 10893 |
208 |
| Panasonic Intellectual Property Management Co., Ltd. | 32590 |
170 |
| Samsung Display Co., Ltd. | 36582 |
163 |
| Sharp Kabushiki Kaisha | 18601 |
161 |
| 3m Innovative Properties Company | 17653 |
152 |
| Sumitomo Chemical Company, Limited | 9098 |
144 |
| Toppan Printing Co., Ltd. | 2121 |
134 |
| Largan Precision Co., Ltd. | 1569 |
123 |
| DIC Corporation | 3863 |
122 |
| Ability Opto-Electronics Technology Co., Ltd. | 365 |
116 |
| Sony Corporation | 30745 |
112 |
| Toray Industries, Inc. | 7016 |
111 |
| LG Chem, Ltd. | 17704 |
108 |
| Agc, Inc. | 5057 |
105 |
| Baylor University | 347 |
99 |
| Samsung SDI Co., Ltd. | 8968 |
97 |
| Dai Nippon Printing Co., Ltd. | 4150 |
96 |
| Other owners | 5959 |