- 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: 492
10-year publication summary
|
55
|
32
|
36
|
45
|
44
|
36
|
33
|
35
|
30
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss SMT GmbH | 2999 |
16 |
| 3m Innovative Properties Company | 17823 |
14 |
| Corning Incorporated | 10275 |
12 |
| Applied Materials, Inc. | 18746 |
10 |
| FUJIFILM Corporation | 29437 |
9 |
| Samsung Display Co., Ltd. | 34907 |
8 |
| LG Chem, Ltd. | 17635 |
8 |
| Xinmei Fontana Holding (Hong Kong) Limited | 157 |
8 |
| Canon Inc. | 40095 |
7 |
| Centre National de La Recherche Scientifique | 10464 |
7 |
| Essilor International (compagnie Generale D'optique) | 2990 |
7 |
| Samsung Electronics Co., Ltd. | 146811 |
6 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4969 |
6 |
| Dai Nippon Printing Co., Ltd. | 4091 |
5 |
| Hoya Corporation | 2747 |
5 |
| Lumentum Operations LLC | 733 |
5 |
| DDP Specialty Electronic Materials US, LLC | 837 |
5 |
| Apple Inc. | 55174 |
4 |
| Sumitomo Chemical Company, Limited | 9043 |
4 |
| Boe Technology Group Co., Ltd. | 41291 |
4 |
| Other owners | 342 |