- All sections
- G - Physics
- G02C - Spectacles; sunglasses or goggles insofar as they have the same features as spectacles; contact lenses
- G02C 7/12 - Polarisers
Patent holdings for IPC class G02C 7/12
Total number of patents in this class: 611
10-year publication summary
|
62
|
64
|
58
|
57
|
51
|
52
|
40
|
40
|
36
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Essilor International (compagnie Generale D'optique) | 2918 |
52 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
30 |
| MGC Filsheet Co., Ltd. | 156 |
29 |
| Mitsui Chemicals, Inc. | 3134 |
28 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
20 |
| Hoya Lens Thailand Ltd. | 447 |
19 |
| Johnson & Johnson Vision Care, Inc. | 1255 |
15 |
| Innovega, Inc. | 66 |
14 |
| Oakley, Inc. | 897 |
14 |
| Luxottica S.r.l. | 127 |
12 |
| Transitions Optical, Inc. | 317 |
12 |
| BNL Eurolens | 30 |
11 |
| Talex Optical Co., Ltd. | 21 |
11 |
| Carl Zeiss Vision International GmbH | 556 |
10 |
| 3m Innovative Properties Company | 18406 |
9 |
| LG Chem, Ltd. | 17205 |
9 |
| Boe Technology Group Co., Ltd. | 35384 |
9 |
| Hopnic Laboratory Co., Ltd. | 22 |
8 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
8 |
| Tokuyama Corporation | 1248 |
8 |
| Other owners | 283 |