- All sections
- G - Physics
- G02C - Spectaclessunglasses or goggles insofar as they have the same features as spectaclescontact lenses
- G02C 7/12 - Polarisers
Patent holdings for IPC class G02C 7/12
Total number of patents in this class: 636
10-year publication summary
|
64
|
58
|
58
|
51
|
52
|
42
|
40
|
36
|
25
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Essilor International (compagnie Generale D'optique) | 3001 |
52 |
| Mitsubishi Gas Chemical Company, Inc. | 3461 |
33 |
| MGC Filsheet Co., Ltd. | 155 |
30 |
| Mitsui Chemicals, Inc. | 3220 |
28 |
| Nippon Kayaku Kabushiki Kaisha | 1431 |
22 |
| Hoya Lens Thailand Ltd. | 549 |
20 |
| Johnson & Johnson Vision Care, Inc. | 1182 |
15 |
| Oakley, Inc. | 919 |
14 |
| Innovega, Inc. | 63 |
13 |
| Transitions Optical, Inc. | 255 |
13 |
| Luxottica S.r.l. | 169 |
12 |
| 3m Innovative Properties Company | 17852 |
11 |
| BNL Eurolens | 30 |
11 |
| Talex Optical Co., Ltd. | 20 |
11 |
| Carl Zeiss Vision International GmbH | 627 |
10 |
| Tokuyama Corporation | 1384 |
10 |
| Hoya Optical Labs of America, Inc. | 138 |
10 |
| LG Chem, Ltd. | 17615 |
9 |
| Boe Technology Group Co., Ltd. | 40988 |
9 |
| Sumitomo Bakelite Co., Ltd. | 1493 |
9 |
| Other owners | 294 |