- 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: 472
10-year publication summary
|
100
|
56
|
34
|
38
|
48
|
46
|
35
|
32
|
33
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
17 |
| Carl Zeiss SMT GmbH | 2646 |
15 |
| 3m Innovative Properties Company | 18406 |
14 |
| Corning Incorporated | 9932 |
13 |
| FUJIFILM Corporation | 27102 |
9 |
| Samsung Display Co., Ltd. | 30585 |
8 |
| Centre National de La Recherche Scientifique | 9632 |
8 |
| Applied Materials, Inc. | 16587 |
8 |
| Essilor International (compagnie Generale D'optique) | 2918 |
8 |
| Rohm and Haas Electronic Materials CMP Holdings, Inc. | 309 |
8 |
| Canon Inc. | 36841 |
7 |
| Dow Global Technologies LLC | 10147 |
6 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Lumentum Operations LLC | 696 |
5 |
| Apple Inc. | 50209 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Dai Nippon Printing Co., Ltd. | 3891 |
4 |
| Hoya Corporation | 2822 |
4 |
| Boe Technology Group Co., Ltd. | 35384 |
4 |
| Other owners | 315 |