- 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: 3498
10-year publication summary
|
303
|
298
|
327
|
350
|
273
|
252
|
258
|
200
|
174
|
129
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29489 |
573 |
| Agc, Inc. | 4895 |
147 |
| Konica Minolta, Inc. | 8766 |
72 |
| 3m Innovative Properties Company | 17813 |
71 |
| JSR Corporation | 2526 |
66 |
| Samsung Display Co., Ltd. | 35017 |
55 |
| Nippon Sheet Glass Company, Limited | 991 |
54 |
| LG Chem, Ltd. | 17636 |
52 |
| Dai Nippon Printing Co., Ltd. | 4104 |
52 |
| Asahi Glass Company, Limited | 2769 |
52 |
| Samsung SDI Co., Ltd. | 8437 |
51 |
| Nitto Denko Corporation | 8271 |
50 |
| Sumitomo Chemical Company, Limited | 9044 |
46 |
| Samsung Electronics Co., Ltd. | 147131 |
44 |
| Boe Technology Group Co., Ltd. | 41421 |
42 |
| Essilor International (compagnie Generale D'optique) | 2989 |
39 |
| Sumitomo Metal Mining Co., Ltd. | 1782 |
32 |
| Nippon Kayaku Kabushiki Kaisha | 1442 |
30 |
| Mitsui Chemicals, Inc. | 3225 |
29 |
| Sony Corporation | 30979 |
28 |
| Other owners | 1913 |