- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 3/04 - Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere
Patent holdings for IPC class G02B 3/04
Total number of patents in this class: 744
10-year publication summary
|
65
|
76
|
64
|
78
|
86
|
82
|
107
|
101
|
45
|
14
|
| 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 |
115 |
| Tokyo Visionary Optics Co., Ltd. | 425 |
34 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
28 |
| Genius Electronic Optical (Xiamen) Co., Ltd. | 327 |
28 |
| AAC Optics Solutions Pte. Ltd. | 643 |
27 |
| Ability Opto-Electronics Technology Co., Ltd. | 362 |
24 |
| Samsung Electronics Co., Ltd. | 131630 |
22 |
| Genius Electronic Optical Co., Ltd. | 197 |
20 |
| FUJIFILM Corporation | 27102 |
14 |
| Zhejiang Sunny Optics Co., Ltd. | 349 |
14 |
| Essilor International (compagnie Generale D'optique) | 2918 |
13 |
| Canon Inc. | 36841 |
11 |
| Ricoh Company, Ltd. | 13266 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
| Jiangxi Ofilm Optical Co., Ltd. | 84 |
9 |
| LG Innotek Co., Ltd. | 6758 |
8 |
| Enplas Corporation | 900 |
8 |
| Konica Minolta, Inc. | 8349 |
7 |
| Nikon Corporation | 7162 |
6 |
| Seiko Epson Corporation | 18724 |
5 |
| Other owners | 333 |