- 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: 2274
10-year publication summary
|
190
|
123
|
112
|
146
|
136
|
175
|
153
|
204
|
154
|
43
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
374 |
| Nikon Corporation | 7162 |
264 |
| FUJIFILM Corporation | 27102 |
209 |
| OM Digital Solutions Corp. | 706 |
95 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
63 |
| Panasonic Corporation | 20786 |
62 |
| Samsung Electronics Co., Ltd. | 131630 |
61 |
| LG Innotek Co., Ltd. | 6758 |
57 |
| Tamron Co., Ltd. | 202 |
43 |
| Sony Corporation | 32931 |
37 |
| Ricoh Company, Ltd. | 13266 |
35 |
| Asia Optical International Ltd. | 124 |
35 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
29 |
| Konica Minolta Opto, Inc. | 1179 |
29 |
| Pentax Ricoh Imaging Company, Ltd. | 132 |
23 |
| Largan Precision Co., Ltd. | 1411 |
23 |
| Olympus Corporation | 13667 |
21 |
| Fujinon Corporation | 91 |
21 |
| Sintai Optical (Shenzhen) Co., Ltd. | 209 |
21 |
| Young Optics Inc. | 247 |
21 |
| Other owners | 751 |