- 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: 4908
10-year publication summary
|
330
|
353
|
424
|
405
|
553
|
429
|
205
|
222
|
178
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Largan Precision Co., Ltd. | 1584 |
506 |
| Nikon Corporation | 7268 |
328 |
| FUJIFILM Corporation | 30010 |
305 |
| AAC Optics (Changzhou) Co., Ltd. | 582 |
193 |
| Tokyo Visionary Optics Co., Ltd. | 426 |
163 |
| Samsung Electro-mechanics Co., Ltd. | 5748 |
148 |
| Zhejiang Sunny Optical Co., Ltd | 301 |
131 |
| Konica Minolta, Inc. | 8960 |
129 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
120 |
| Ability Opto-Electronics Technology Co., Ltd. | 365 |
112 |
| AAC Optics (Shenzhen) Co., Ltd. | 197 |
108 |
| LG Innotek Co., Ltd. | 8023 |
104 |
| Olympus Corporation | 13054 |
102 |
| Canon Inc. | 41573 |
97 |
| AAC Optics Solutions Pte. Ltd. | 652 |
97 |
| Konica Minolta Opto, Inc. | 1013 |
89 |
| Sony Corporation | 30634 |
83 |
| Genius Electronic Optical (Xiamen) Co., Ltd. | 363 |
80 |
| Genius Electronic Optical Co., Ltd. | 178 |
74 |
| Panasonic Corporation | 19890 |
71 |
| Other owners | 1868 |