- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 15/14 - 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
Patent holdings for IPC class G02B 15/14
Total number of patents in this class: 2277
10-year publication summary
|
123
|
112
|
146
|
136
|
177
|
157
|
207
|
155
|
138
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 38296 |
374 |
| Nikon Corporation | 7118 |
270 |
| FUJIFILM Corporation | 28841 |
216 |
| OM Digital Solutions Corp. | 631 |
83 |
| LG Innotek Co., Ltd. | 7272 |
71 |
| Panasonic Intellectual Property Management Co., Ltd. | 29895 |
62 |
| Panasonic Corporation | 20307 |
60 |
| Samsung Electronics Co., Ltd. | 139551 |
56 |
| Tamron Co., Ltd. | 207 |
45 |
| Sony Corporation | 31518 |
35 |
| Ricoh Company, Ltd. | 13230 |
35 |
| Asia Optical International Ltd. | 122 |
35 |
| Samsung Electro-mechanics Co., Ltd. | 5223 |
34 |
| Konica Minolta Opto, Inc. | 1126 |
26 |
| Largan Precision Co., Ltd. | 1489 |
26 |
| Corephotonics Ltd. | 368 |
25 |
| Young Optics Inc. | 256 |
23 |
| Pentax Ricoh Imaging Company, Ltd. | 119 |
22 |
| Huawei Technologies Co., Ltd. | 107154 |
22 |
| Sintai Optical (Shenzhen) Co., Ltd. | 220 |
20 |
| Other owners | 737 |