- 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: 9700
10-year publication summary
|
954
|
964
|
969
|
848
|
837
|
773
|
735
|
588
|
425
|
157
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30327 |
933 |
| Samsung Electronics Co., Ltd. | 155224 |
241 |
| Boe Technology Group Co., Ltd. | 43343 |
240 |
| Sony Semiconductor Solutions Corporation | 11342 |
215 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
171 |
| Samsung Display Co., Ltd. | 38092 |
166 |
| 3m Innovative Properties Company | 17491 |
158 |
| Sharp Kabushiki Kaisha | 18585 |
156 |
| Sumitomo Chemical Company, Limited | 9015 |
145 |
| Toppan Printing Co., Ltd. | 2096 |
131 |
| Largan Precision Co., Ltd. | 1619 |
124 |
| DIC Corporation | 3924 |
121 |
| Ability Opto-Electronics Technology Co., Ltd. | 365 |
116 |
| Toray Industries, Inc. | 7067 |
114 |
| Sony Corporation | 30327 |
112 |
| Agc, Inc. | 5383 |
112 |
| LG Chem, Ltd. | 17883 |
108 |
| Baylor University | 380 |
104 |
| Samsung SDI Co., Ltd. | 10194 |
99 |
| Dai Nippon Printing Co., Ltd. | 4217 |
94 |
| Other owners | 6040 |