- 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 19/04 - Roll-film cameras
Patent holdings for IPC class G03B 19/04
Total number of patents in this class: 8
10-year publication summary
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1
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2
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3
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0
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1
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1
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1
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1
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2
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31036 |
1 |
| FUJIFILM Corporation | 29399 |
1 |
| Ricoh Company, Ltd. | 13279 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 5618 |
1 |
| C & a Marketing, Inc. | 16 |
1 |
| Connaught Electronics Ltd. | 339 |
1 |
| Nidec Sankyo Corporation | 1080 |
1 |
| Krumholz LLC | 6 |
1 |
| Other owners | 0 |