- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 15/08 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part by changing the rear part
Patent holdings for IPC class G02B 15/08
Total number of patents in this class: 18
10-year publication summary
|
3
|
2
|
2
|
1
|
1
|
2
|
2
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39660 |
7 |
| SZ DJI Technology Co., Ltd | 6846 |
2 |
| OM Digital Solutions Corp. | 610 |
2 |
| Sony Corporation | 31107 |
1 |
| Nikon Corporation | 7168 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
1 |
| ColorLink Japan, Ltd. | 21 |
1 |
| Hitachi-LG Data Storage, Inc. | 183 |
1 |
| Kowa Company, Ltd. | 1195 |
1 |
| Thales | 1852 |
1 |
| Other owners | 0 |