- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 1/12 - Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation
Patent holdings for IPC class G02B 1/12
Total number of patents in this class: 534
10-year publication summary
|
34
|
38
|
48
|
49
|
36
|
33
|
36
|
31
|
27
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss SMT GmbH | 3342 |
21 |
| 3m Innovative Properties Company | 17484 |
14 |
| Corning Incorporated | 10514 |
13 |
| Canon Inc. | 43941 |
10 |
| FUJIFILM Corporation | 30543 |
10 |
| Applied Materials, Inc. | 20438 |
10 |
| Xinmei Fontana Holding (Hong Kong) Limited | 155 |
9 |
| Samsung Display Co., Ltd. | 38721 |
8 |
| LG Chem, Ltd. | 17937 |
8 |
| Dai Nippon Printing Co., Ltd. | 4242 |
8 |
| Centre National de La Recherche Scientifique | 11042 |
7 |
| Samsung Electronics Co., Ltd. | 158156 |
6 |
| Hoya Corporation | 2719 |
6 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5265 |
6 |
| Essilor International (compagnie Generale D'optique) | 2997 |
6 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 880 |
5 |
| DDP Specialty Electronic Materials US, LLC | 844 |
5 |
| META Platforms Technologies, LLC | 6482 |
5 |
| Apple Inc. | 58936 |
4 |
| Sumitomo Chemical Company, Limited | 8968 |
4 |
| Other owners | 369 |