- 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: 8931
10-year publication summary
|
668
|
737
|
952
|
961
|
967
|
843
|
813
|
749
|
682
|
196
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
926 |
| Boe Technology Group Co., Ltd. | 35384 |
236 |
| Samsung Electronics Co., Ltd. | 131630 |
220 |
| Sony Semiconductor Solutions Corporation | 8770 |
180 |
| Sharp Kabushiki Kaisha | 18957 |
179 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
147 |
| Samsung Display Co., Ltd. | 30585 |
144 |
| Toppan Printing Co., Ltd. | 2212 |
141 |
| 3m Innovative Properties Company | 18406 |
137 |
| Sumitomo Chemical Company, Limited | 8808 |
119 |
| DIC Corporation | 3597 |
119 |
| LG Chem, Ltd. | 17205 |
116 |
| Sony Corporation | 32931 |
116 |
| Ability Opto-Electronics Technology Co., Ltd. | 362 |
116 |
| Largan Precision Co., Ltd. | 1411 |
113 |
| Toray Industries, Inc. | 6652 |
103 |
| Dai Nippon Printing Co., Ltd. | 3891 |
94 |
| Mitsubishi Chemical Corporation | 4313 |
79 |
| Samsung SDI Co., Ltd. | 6671 |
77 |
| Baylor University | 313 |
77 |
| Other owners | 5492 |