- 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 1/56 - ThreadingLoop forming
Patent holdings for IPC class G03B 1/56
Total number of patents in this class: 6
10-year publication summary
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0
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3
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0
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0
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2
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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
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9046 |
3 |
| Ricoh Company, Ltd. | 13247 |
1 |
| IMAX Corporation | 258 |
1 |
| Chapman/Leonard Studio Equipment, Inc. | 83 |
1 |
| Other owners | 0 |