- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 15/16 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
Patent holdings for IPC class G02B 15/16
Total number of patents in this class: 397
10-year publication summary
|
54
|
50
|
31
|
30
|
18
|
32
|
19
|
15
|
18
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29273 |
95 |
| Nikon Corporation | 7166 |
70 |
| Canon Inc. | 39618 |
61 |
| Navitar, Inc. | 74 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
13 |
| OM Digital Solutions Corp. | 611 |
13 |
| Tamron Co., Ltd. | 211 |
11 |
| Ricoh Company, Ltd. | 13205 |
6 |
| Seiko Epson Corporation | 19296 |
5 |
| Konica Minolta, Inc. | 8696 |
5 |
| Hoya Corporation | 2738 |
5 |
| Young Optics Inc. | 257 |
5 |
| Huawei Technologies Co., Ltd. | 111449 |
4 |
| Konica Minolta Opto, Inc. | 1093 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20778 |
4 |
| Canon Kabushiki Kaisha | 7053 |
4 |
| Panasonic Corporation | 20149 |
3 |
| Ricoh Imaging Company, Ltd. | 157 |
3 |
| Pentax Ricoh Imaging Company, Ltd. | 117 |
3 |
| LG Innotek Co., Ltd. | 7571 |
3 |
| Other owners | 62 |