- 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 21/50 - Control devices operated by the film strip during the run
Patent holdings for IPC class G03B 21/50
Total number of patents in this class: 9
10-year publication summary
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0
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0
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0
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1
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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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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
|
|---|---|---|
| Fishco Innovation LLC | 4 |
2 |
| Sony Corporation | 31025 |
1 |
| Hewlett-Packard Development Company, L.P. | 25864 |
1 |
| Koninklijke Philips N.V. | 24767 |
1 |
| Philips GmbH | 275 |
1 |
| VTRON Technologies LTD. | 17 |
1 |
| Oculus3d | 2 |
1 |
| Valeo Ichikoh (China) Auto Lighting Co. Ltd | 10 |
1 |
| Other owners | 0 |