- 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 9/64 - Mechanism for delaying opening of shutter
Patent holdings for IPC class G03B 9/64
Total number of patents in this class: 15
10-year publication summary
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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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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30181 |
4 |
| International Business Machines Corporation | 62634 |
3 |
| NEC Corporation | 37004 |
2 |
| Canon Inc. | 43817 |
1 |
| FUJIFILM Corporation | 30514 |
1 |
| Olympus Corporation | 12939 |
1 |
| Tamaggo Holding SA | 2 |
1 |
| Maxell Holdings, Ltd. | 1259 |
1 |
| Maxell, Ltd. | 3032 |
1 |
| Other owners | 0 |