- 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: 497
10-year publication summary
|
55
|
32
|
36
|
45
|
44
|
36
|
33
|
35
|
31
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss SMT GmbH | 3038 |
16 |
| 3m Innovative Properties Company | 17762 |
14 |
| Corning Incorporated | 10336 |
12 |
| FUJIFILM Corporation | 29713 |
10 |
| Applied Materials, Inc. | 19005 |
10 |
| Samsung Display Co., Ltd. | 35545 |
8 |
| LG Chem, Ltd. | 17680 |
8 |
| Canon Inc. | 40623 |
8 |
| Xinmei Fontana Holding (Hong Kong) Limited | 157 |
8 |
| Centre National de La Recherche Scientifique | 10595 |
7 |
| Essilor International (compagnie Generale D'optique) | 2998 |
7 |
| Samsung Electronics Co., Ltd. | 148077 |
6 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5022 |
6 |
| Dai Nippon Printing Co., Ltd. | 4126 |
5 |
| Hoya Corporation | 2759 |
5 |
| Lumentum Operations LLC | 748 |
5 |
| DDP Specialty Electronic Materials US, LLC | 841 |
5 |
| Apple Inc. | 55735 |
4 |
| Sumitomo Chemical Company, Limited | 9092 |
4 |
| Boe Technology Group Co., Ltd. | 41699 |
4 |
| Other owners | 345 |