- 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 13/30 - Focusing aids indicating depth of field
Patent holdings for IPC class G03B 13/30
Total number of patents in this class: 32
10-year publication summary
|
2
|
3
|
2
|
2
|
2
|
6
|
4
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44222 |
3 |
| FUJIFILM Corporation | 30653 |
3 |
| Weta Digital Limited | 99 |
3 |
| JVC Kenwood Corporation | 3135 |
2 |
| Pixart Imaging Inc. | 1742 |
2 |
| Qinematiq GmbH | 7 |
2 |
| Malikie Innovations Limited | 6378 |
2 |
| Samsung Electronics Co., Ltd. | 158842 |
1 |
| Qualcomm Incorporated | 93172 |
1 |
| Sony Corporation | 30080 |
1 |
| Intel Corporation | 46449 |
1 |
| Pentax Ricoh Imaging Company, Ltd. | 104 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
1 |
| DigitalOptics Corporation MEMS | 119 |
1 |
| Mobileye Vision Technologies Ltd. | 893 |
1 |
| Saturn Licensing LLC | 1440 |
1 |
| SZ DJI Technology Co., Ltd | 6940 |
1 |
| Zhejiang Gongshang University | 72 |
1 |
| FotoNation Cayman Limited | 3 |
1 |
| 138 East LCD Advancements Limited | 289 |
1 |
| Other owners | 2 |