- 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: 2480
10-year publication summary
|
112
|
146
|
136
|
177
|
158
|
214
|
167
|
148
|
185
|
145
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44134 |
417 |
| Nikon Corporation | 7229 |
310 |
| FUJIFILM Corporation | 30628 |
251 |
| LG Innotek Co., Ltd. | 8525 |
121 |
| OM Digital Solutions Corp. | 583 |
80 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
67 |
| Samsung Electronics Co., Ltd. | 158605 |
64 |
| Panasonic Corporation | 18809 |
59 |
| Tamron Co., Ltd. | 229 |
50 |
| Huawei Technologies Co., Ltd. | 124379 |
44 |
| Samsung Electro-mechanics Co., Ltd. | 6134 |
43 |
| Corephotonics Ltd. | 466 |
36 |
| Sony Corporation | 30097 |
35 |
| Ricoh Company, Ltd. | 13334 |
34 |
| Largan Precision Co., Ltd. | 1639 |
28 |
| Asia Optical International Ltd. | 102 |
25 |
| Actutek Corporation | 851 |
24 |
| Young Optics Inc. | 257 |
22 |
| Sintai Optical (Shenzhen) Co., Ltd. | 227 |
20 |
| Konica Minolta, Inc. | 9159 |
19 |
| Other owners | 731 |