- 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: 4817
10-year publication summary
374
|
330
|
355
|
424
|
407
|
552
|
429
|
198
|
221
|
90
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Largan Precision Co., Ltd. | 1532 |
500 |
Nikon Corporation | 7168 |
328 |
FUJIFILM Corporation | 29295 |
298 |
AAC Optics (Changzhou) Co., Ltd. | 558 |
191 |
Tokyo Visionary Optics Co., Ltd. | 425 |
163 |
Samsung Electro-mechanics Co., Ltd. | 5593 |
141 |
Zhejiang Sunny Optical Co., Ltd | 301 |
131 |
Konica Minolta, Inc. | 8701 |
129 |
Panasonic Intellectual Property Management Co., Ltd. | 31201 |
118 |
Ability Opto-Electronics Technology Co., Ltd. | 365 |
112 |
AAC Optics (Shenzhen) Co., Ltd. | 197 |
108 |
Olympus Corporation | 13187 |
106 |
AAC Optics Solutions Pte. Ltd. | 650 |
97 |
Canon Inc. | 39660 |
90 |
Konica Minolta Opto, Inc. | 1092 |
90 |
LG Innotek Co., Ltd. | 7590 |
87 |
Sony Corporation | 31107 |
84 |
Genius Electronic Optical (Xiamen) Co., Ltd. | 356 |
81 |
Genius Electronic Optical Co., Ltd. | 178 |
73 |
Panasonic Corporation | 20142 |
72 |
Other owners | 1818 |