- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 1/18 - Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
Patent holdings for IPC class G02B 1/18
Total number of patents in this class: 1092
10-year publication summary
|
102
|
95
|
104
|
124
|
112
|
118
|
119
|
121
|
122
|
67
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dexerials Corporation | 1962 |
48 |
| Agc, Inc. | 4809 |
47 |
| Nitto Denko Corporation | 8219 |
36 |
| Daikin Industries, Ltd. | 9973 |
36 |
| Hoya Lens Thailand Ltd. | 545 |
28 |
| FUJIFILM Corporation | 29295 |
24 |
| Alcon, Inc. | 5405 |
23 |
| Essilor International (compagnie Generale D'optique) | 3000 |
23 |
| Nikon-Essilor Co., Ltd. | 225 |
22 |
| Samsung Display Co., Ltd. | 34472 |
18 |
| Sharp Corporation | 10305 |
17 |
| Corning Incorporated | 10246 |
17 |
| Konica Minolta, Inc. | 8701 |
17 |
| Dai Nippon Printing Co., Ltd. | 4071 |
16 |
| Sumitomo Chemical Company, Limited | 9031 |
15 |
| Canon Inc. | 39660 |
14 |
| Sharp Kabushiki Kaisha | 18781 |
14 |
| Nippon Electric Glass Co., Ltd. | 2453 |
12 |
| OTI Lumionics Inc. | 156 |
12 |
| Samsung Electronics Co., Ltd. | 145025 |
10 |
| Other owners | 643 |