- 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: 2342
10-year publication summary
|
122
|
111
|
144
|
135
|
177
|
158
|
211
|
159
|
141
|
120
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40165 |
390 |
| Nikon Corporation | 7172 |
291 |
| FUJIFILM Corporation | 29458 |
230 |
| OM Digital Solutions Corp. | 607 |
81 |
| LG Innotek Co., Ltd. | 7685 |
75 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
64 |
| Panasonic Corporation | 20085 |
60 |
| Samsung Electronics Co., Ltd. | 147003 |
58 |
| Tamron Co., Ltd. | 213 |
48 |
| Samsung Electro-mechanics Co., Ltd. | 5630 |
40 |
| Sony Corporation | 31004 |
35 |
| Ricoh Company, Ltd. | 13276 |
35 |
| Corephotonics Ltd. | 407 |
31 |
| Asia Optical International Ltd. | 111 |
29 |
| Largan Precision Co., Ltd. | 1541 |
27 |
| Huawei Technologies Co., Ltd. | 113191 |
25 |
| Konica Minolta Opto, Inc. | 1071 |
24 |
| Young Optics Inc. | 256 |
23 |
| Pentax Ricoh Imaging Company, Ltd. | 114 |
20 |
| Sintai Optical (Shenzhen) Co., Ltd. | 227 |
20 |
| Other owners | 736 |