- 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: 73
10-year publication summary
1
|
6
|
8
|
3
|
1
|
3
|
1
|
1
|
1
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dai Nippon Printing Co., Ltd. | 4113 |
6 |
Canon Inc. | 40352 |
4 |
Toppan Printing Co., Ltd. | 2130 |
4 |
3m Innovative Properties Company | 17795 |
3 |
Industrial Technology Research Institute | 5077 |
3 |
Carl Zeiss Microscopy GmbH | 1217 |
3 |
Viavi Solutions Inc. | 1449 |
3 |
Samsung Display Co., Ltd. | 35171 |
2 |
LG Chem, Ltd. | 17644 |
2 |
FUJIFILM Corporation | 29543 |
2 |
Mitsubishi Electric Corporation | 46397 |
2 |
Garmin International, Inc. | 240 |
2 |
Ubright Optronics Corporation | 59 |
2 |
Apple Inc. | 55387 |
1 |
Panasonic Corporation | 20050 |
1 |
Seiko Epson Corporation | 19510 |
1 |
Cheil Industries Inc. | 848 |
1 |
Raytheon Canada Limited | 141 |
1 |
Kyocera Corporation | 13909 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 31806 |
1 |
Other owners | 28 |