- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/22 - Absorbing filters
Patent holdings for IPC class G02B 5/22
Total number of patents in this class: 3326
10-year publication summary
|
234
|
308
|
306
|
329
|
361
|
272
|
243
|
254
|
199
|
53
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
525 |
| Agc, Inc. | 4029 |
121 |
| 3m Innovative Properties Company | 18406 |
65 |
| Konica Minolta, Inc. | 8349 |
65 |
| JSR Corporation | 2476 |
65 |
| Samsung Display Co., Ltd. | 30585 |
54 |
| Asahi Glass Company, Limited | 2985 |
54 |
| Nitto Denko Corporation | 7879 |
50 |
| Dai Nippon Printing Co., Ltd. | 3891 |
49 |
| Samsung SDI Co., Ltd. | 6671 |
47 |
| Nippon Sheet Glass Company, Limited | 992 |
47 |
| LG Chem, Ltd. | 17205 |
45 |
| Boe Technology Group Co., Ltd. | 35384 |
45 |
| Sumitomo Chemical Company, Limited | 8808 |
44 |
| Samsung Electronics Co., Ltd. | 131630 |
42 |
| Essilor International (compagnie Generale D'optique) | 2918 |
38 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
32 |
| Adeka Corporation | 1333 |
30 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
29 |
| Sony Corporation | 32931 |
28 |
| Other owners | 1851 |