- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Patent holdings for IPC class G02B 13/18
Total number of patents in this class: 4636
10-year publication summary
|
333
|
374
|
330
|
355
|
424
|
404
|
538
|
413
|
189
|
74
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Largan Precision Co., Ltd. | 1411 |
479 |
| Nikon Corporation | 7162 |
306 |
| FUJIFILM Corporation | 27102 |
285 |
| AAC Optics (Changzhou) Co., Ltd. | 524 |
189 |
| Tokyo Visionary Optics Co., Ltd. | 425 |
161 |
| Zhejiang Sunny Optical Co., Ltd | 302 |
131 |
| Konica Minolta, Inc. | 8349 |
128 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
115 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
115 |
| Ability Opto-Electronics Technology Co., Ltd. | 362 |
112 |
| AAC Optics (Shenzhen) Co., Ltd. | 197 |
108 |
| Olympus Corporation | 13667 |
106 |
| Konica Minolta Opto, Inc. | 1179 |
100 |
| AAC Optics Solutions Pte. Ltd. | 643 |
99 |
| Sony Corporation | 32931 |
92 |
| Canon Inc. | 36841 |
81 |
| Genius Electronic Optical Co., Ltd. | 197 |
81 |
| Genius Electronic Optical (Xiamen) Co., Ltd. | 327 |
76 |
| Panasonic Corporation | 20786 |
72 |
| LG Innotek Co., Ltd. | 6758 |
65 |
| Other owners | 1735 |