- 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: 3534
10-year publication summary
|
303
|
298
|
327
|
350
|
273
|
252
|
261
|
202
|
175
|
167
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29797 |
577 |
| Agc, Inc. | 5000 |
152 |
| Konica Minolta, Inc. | 8888 |
73 |
| 3m Innovative Properties Company | 17737 |
72 |
| JSR Corporation | 2537 |
66 |
| Samsung Display Co., Ltd. | 36165 |
55 |
| Nippon Sheet Glass Company, Limited | 978 |
54 |
| Samsung SDI Co., Ltd. | 9032 |
53 |
| LG Chem, Ltd. | 17682 |
52 |
| Dai Nippon Printing Co., Ltd. | 4145 |
52 |
| Asahi Glass Company, Limited | 2738 |
52 |
| Nitto Denko Corporation | 8350 |
51 |
| Sumitomo Chemical Company, Limited | 9110 |
47 |
| Samsung Electronics Co., Ltd. | 148924 |
46 |
| Boe Technology Group Co., Ltd. | 41648 |
42 |
| Essilor International (compagnie Generale D'optique) | 2988 |
39 |
| Sumitomo Metal Mining Co., Ltd. | 1793 |
32 |
| Nippon Kayaku Kabushiki Kaisha | 1450 |
30 |
| Mitsui Chemicals, Inc. | 3229 |
29 |
| Sony Corporation | 30805 |
28 |
| Other owners | 1932 |