- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
- G03B 9/20 - More than two members each moving in a single direction first to open and then to reclose
Patent holdings for IPC class G03B 9/20
Total number of patents in this class: 11
10-year publication summary
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0
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1
|
1
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2
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0
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0
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1
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Copal Corporation | 269 |
3 |
| Canon Inc. | 44222 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
2 |
| Samsung Electro-mechanics Co., Ltd. | 6151 |
1 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 144 |
1 |
| Largan Precision Co., Ltd. | 1640 |
1 |
| Seiko Holdings Kabushiki Kaisha, TA Seiko Holdings Corporation | 25 |
1 |
| Other owners | 0 |