- 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: 625
10-year publication summary
|
42
|
43
|
41
|
34
|
28
|
42
|
66
|
50
|
40
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10362 |
16 |
| Nikon Corporation | 7297 |
15 |
| Samsung Electronics Co., Ltd. | 148402 |
14 |
| Raytheon Company | 8413 |
14 |
| Hoya Corporation | 2761 |
12 |
| Element Six Technologies Limited | 200 |
12 |
| LG Chem, Ltd. | 17674 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 5732 |
10 |
| Nippon Electric Glass Co., Ltd. | 2474 |
9 |
| Viavi Solutions Inc. | 1459 |
9 |
| Sumitomo Electric Industries, Ltd. | 15696 |
8 |
| Applied Materials, Inc. | 19072 |
8 |
| Nippon Telegraph and Telephone Corporation | 16797 |
8 |
| Canon Kabushiki Kaisha | 7121 |
8 |
| FUJIFILM Corporation | 29728 |
7 |
| Murata Manufacturing Co., Ltd. | 24896 |
7 |
| NGK Insulators, Ltd. | 5131 |
7 |
| Asahi Glass Company, Limited | 2745 |
7 |
| LG Innotek Co., Ltd. | 7869 |
6 |
| 3m Innovative Properties Company | 17749 |
5 |
| Other owners | 433 |