- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 1/02 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of crystals, e.g. rock-salt, semiconductors
Patent holdings for IPC class G02B 1/02
Total number of patents in this class: 618
10-year publication summary
|
44
|
48
|
46
|
42
|
27
|
44
|
67
|
52
|
40
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10258 |
16 |
| Nikon Corporation | 7159 |
15 |
| Raytheon Company | 8397 |
14 |
| Samsung Electronics Co., Ltd. | 145630 |
13 |
| Hoya Corporation | 2745 |
12 |
| Element Six Technologies Limited | 192 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5644 |
10 |
| LG Chem, Ltd. | 17615 |
9 |
| Nippon Electric Glass Co., Ltd. | 2454 |
9 |
| Viavi Solutions Inc. | 1435 |
9 |
| Sumitomo Electric Industries, Ltd. | 15443 |
8 |
| Applied Materials, Inc. | 18565 |
8 |
| Nippon Telegraph and Telephone Corporation | 17303 |
8 |
| Canon Kabushiki Kaisha | 7050 |
8 |
| FUJIFILM Corporation | 29329 |
7 |
| Murata Manufacturing Co., Ltd. | 24478 |
7 |
| NGK Insulators, Ltd. | 4945 |
7 |
| Asahi Glass Company, Limited | 2793 |
7 |
| LG Innotek Co., Ltd. | 7624 |
6 |
| 3m Innovative Properties Company | 17852 |
5 |
| Other owners | 428 |