- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 13/20 - Soft-focus objectives
Patent holdings for IPC class G02B 13/20
Total number of patents in this class: 63
10-year publication summary
|
6
|
8
|
3
|
1
|
3
|
1
|
1
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 4263 |
6 |
| Canon Inc. | 44222 |
4 |
| Toppan Printing Co., Ltd. | 2080 |
4 |
| 3m Innovative Properties Company | 17445 |
3 |
| Industrial Technology Research Institute | 5196 |
3 |
| Carl Zeiss Microscopy GmbH | 1290 |
3 |
| Samsung Display Co., Ltd. | 39012 |
2 |
| FUJIFILM Corporation | 30653 |
2 |
| Mitsubishi Electric Corporation | 48287 |
2 |
| Garmin International, Inc. | 270 |
2 |
| Ubright Optronics Corporation | 53 |
2 |
| Viavi Solutions Inc. | 1529 |
2 |
| Apple Inc. | 59177 |
1 |
| LG Chem, Ltd. | 17967 |
1 |
| Panasonic Corporation | 18751 |
1 |
| Seiko Epson Corporation | 20406 |
1 |
| Cheil Industries Inc. | 807 |
1 |
| Raytheon Canada Limited | 131 |
1 |
| Kyocera Corporation | 14445 |
1 |
| Amazon Technologies, Inc. | 28236 |
1 |
| Other owners | 20 |