- 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 1/04 - Pull exerted by take-up spool
Patent holdings for IPC class G03B 1/04
Total number of patents in this class: 5
10-year publication summary
|
0
|
3
|
0
|
1
|
1
|
0
|
0
|
0
|
0
|
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 | 9004 |
3 |
| Digital Check Corporation | 60 |
1 |
| Light Field Lab, Inc. | 196 |
1 |
| Other owners | 0 |