- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 11/20 - Optical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement having four lenses only
Patent holdings for IPC class G02B 11/20
Total number of patents in this class: 12
10-year publication summary
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1
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2
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1
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1
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2
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0
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6
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genius Electronic Optical (Xiamen) Co., Ltd. | 327 |
2 |
| AAC Optics (Changzhou) Co., Ltd. | 524 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| MEMS Start, LLC | 13 |
1 |
| Partron Co., Ltd. | 128 |
1 |
| Heptagon Micro Optics Pte. Ltd. | 145 |
1 |
| L1 Optics | 1 |
1 |
| Zhejiang Sunny Optical Co., Ltd | 302 |
1 |
| Shen Zhen Hypernano Optics Technology Co., Ltd | 2 |
1 |
| Jiangxi Jingchao Optical Co., Ltd. | 125 |
1 |
| Other owners | 0 |