- 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 21/46 - Mechanisms transmitting motion to film-strip feedMechanical linking of shutter and intermittent feed affording adjustment for framing
Patent holdings for IPC class G03B 21/46
Total number of patents in this class: 2
10-year publication summary
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0
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0
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0
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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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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BenQ Corporation | 190 |
1 |
| BenQ Intelligent Technology (Shanghai) Co., Ltd | 36 |
1 |
| Other owners | 0 |