- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 25/04 - Eyepieces; Magnifying glasses affording a wide-angle view, e.g. through a spy-hole
Patent holdings for IPC class G02B 25/04
Total number of patents in this class: 29
10-year publication summary
|
0
|
4
|
4
|
11
|
2
|
2
|
4
|
0
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genius Electronic Optical Co., Ltd. | 197 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Dispelix Oy | 120 |
2 |
| Idealens Technology (Chengdu) Co., Ltd. | 6 |
2 |
| Zhejiang Sunny Optics Co., Ltd. | 349 |
2 |
| Light Field Lab, Inc. | 185 |
2 |
| Shenzhen Ned Optics Co., Ltd. | 28 |
2 |
| Shenzhen Nade Optical Co., Ltd | 19 |
2 |
| Canon Inc. | 36841 |
1 |
| FUJIFILM Corporation | 27102 |
1 |
| Nikon Corporation | 7162 |
1 |
| The United States of America as represented by the Secretary of the Army | 1195 |
1 |
| Incom, Inc. | 10 |
1 |
| Kopin Corporation | 215 |
1 |
| Korea University Industrial & Academic Collaboration Foundation | 109 |
1 |
| The Secretary of State for Defence | 445 |
1 |
| E.v.s. Societá a Responsabilitá limitata semplificata | 2 |
1 |
| Sharp Kabushiki Kaisha | 18957 |
1 |
| Chengdu Lixiang Zhimei Technology Co., Ltd. | 1 |
1 |
| Zhejiang Sunny Optical Co., Ltd | 302 |
1 |
| Other owners | 0 |