- 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: 102
10-year publication summary
|
5
|
5
|
9
|
8
|
9
|
8
|
5
|
5
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40555 |
9 |
| FUJIFILM Corporation | 29702 |
8 |
| SZ DJI Technology Co., Ltd | 6858 |
8 |
| Sony Corporation | 30910 |
4 |
| Nikon Corporation | 7298 |
4 |
| LG Innotek Co., Ltd. | 7834 |
4 |
| SZ DJI Osmo Technology Co., Ltd. | 373 |
4 |
| Samsung Electronics Co., Ltd. | 147983 |
3 |
| Largan Digital Co., Ltd. | 87 |
3 |
| OM Digital Solutions Corp. | 603 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
2 |
| Intellectual Ventures II LLC | 231 |
2 |
| Cambridge Mechatronics Limited | 352 |
2 |
| SM Tech Co., Ltd. | 4 |
2 |
| Moonlightning Industries AB | 3 |
2 |
| Hewlett-Packard Development Company, L.P. | 25769 |
1 |
| Ricoh Company, Ltd. | 13384 |
1 |
| Huawei Technologies Co., Ltd. | 114320 |
1 |
| Olympus Medical Systems Corp. | 1792 |
1 |
| Kyocera Corporation | 13988 |
1 |
| Other owners | 37 |