- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
- G03B 13/18 - Focusing aids
Patent holdings for IPC class G03B 13/18
Total number of patents in this class: 106
10-year publication summary
5
|
5
|
9
|
8
|
9
|
8
|
5
|
5
|
8
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canon Inc. | 38240 |
8 |
FUJIFILM Corporation | 28829 |
8 |
SZ DJI Technology Co., Ltd | 6814 |
8 |
Sony Corporation | 31530 |
4 |
Nikon Corporation | 7119 |
4 |
LG Innotek Co., Ltd. | 7254 |
4 |
SZ DJI Osmo Technology Co., Ltd. | 372 |
4 |
Samsung Electronics Co., Ltd. | 139302 |
3 |
Largan Digital Co., Ltd. | 80 |
3 |
OM Digital Solutions Corp. | 632 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 29800 |
2 |
Intellectual Ventures II LLC | 320 |
2 |
Cambridge Mechatronics Limited | 327 |
2 |
DigitalOptics Corporation MEMS | 147 |
2 |
Moonlightning Industries AB | 3 |
2 |
Hewlett-Packard Development Company, L.P. | 27447 |
1 |
Ricoh Company, Ltd. | 13222 |
1 |
Huawei Technologies Co., Ltd. | 106915 |
1 |
Olympus Medical Systems Corp. | 1780 |
1 |
Kyocera Corporation | 13358 |
1 |
Other owners | 42 |