- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 1/02 - Optical elements characterised by the material of which they are made; Optical 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: 579
10-year publication summary
|
43
|
44
|
48
|
46
|
42
|
27
|
44
|
63
|
52
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nikon Corporation | 7162 |
14 |
| Raytheon Company | 8535 |
14 |
| Corning Incorporated | 9932 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
12 |
| Hoya Corporation | 2822 |
12 |
| Element Six Technologies Limited | 179 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Viavi Solutions Inc. | 1363 |
9 |
| Sumitomo Electric Industries, Ltd. | 14131 |
8 |
| Applied Materials, Inc. | 16587 |
8 |
| Canon Kabushiki Kaisha | 6884 |
8 |
| Murata Manufacturing Co., Ltd. | 22355 |
7 |
| NGK Insulators, Ltd. | 4589 |
7 |
| Asahi Glass Company, Limited | 2985 |
7 |
| Nippon Telegraph and Telephone Corporation | 14195 |
7 |
| FUJIFILM Corporation | 27102 |
6 |
| LG Innotek Co., Ltd. | 6758 |
6 |
| Nippon Electric Glass Co., Ltd. | 2299 |
6 |
| Carl Zeiss SMT GmbH | 2646 |
5 |
| Other owners | 398 |