- 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: 75
10-year publication summary
|
5
|
7
|
14
|
6
|
3
|
10
|
10
|
6
|
11
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seurat Technologies, Inc. | 126 |
26 |
| Blue River Technology, Inc. | 181 |
5 |
| LGT (abc), LLC | 62 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
4 |
| Hilti Aktiengesellschaft | 3227 |
2 |
| CDM Optics, Inc. | 10 |
2 |
| Mitutoyo Corporation | 1218 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| General Electric Company | 18133 |
1 |
| Sony Corporation | 32931 |
1 |
| Deere & Company | 6845 |
1 |
| Canon Inc. | 36841 |
1 |
| Pentax Ricoh Imaging Company, Ltd. | 132 |
1 |
| Nikon Corporation | 7162 |
1 |
| Raytheon Company | 8535 |
1 |
| Carl Zeiss SMT GmbH | 2646 |
1 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
1 |
| Asia Optical Co., Inc. | 189 |
1 |
| Carl Zeiss Meditec AG | 1541 |
1 |
| Other owners | 13 |