- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 15/04 - 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
Patent holdings for IPC class G02B 15/04
Total number of patents in this class: 80
10-year publication summary
|
14
|
6
|
3
|
10
|
10
|
6
|
11
|
6
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seurat Technologies, Inc. | 177 |
34 |
| Blue River Technology, Inc. | 87 |
5 |
| LGT (abc), LLC | 60 |
5 |
| FUJIFILM Corporation | 30653 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23560 |
4 |
| Canon Inc. | 44222 |
2 |
| Hilti Aktiengesellschaft | 3710 |
2 |
| Mitutoyo Corporation | 1259 |
2 |
| Qualcomm Incorporated | 93172 |
1 |
| General Electric Company | 13966 |
1 |
| Sony Corporation | 30080 |
1 |
| Deere & Company | 8167 |
1 |
| Huawei Technologies Co., Ltd. | 124630 |
1 |
| Nikon Corporation | 7231 |
1 |
| Raytheon Company | 8443 |
1 |
| Carl Zeiss SMT GmbH | 3364 |
1 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 15443 |
1 |
| Ahead Optoelectronics, Inc. | 20 |
1 |
| Asia Optical Co., Inc. | 222 |
1 |
| Carl Zeiss Meditec AG | 1688 |
1 |
| Other owners | 10 |