- 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 21/04 - Picture "juke-boxes"
Patent holdings for IPC class G03B 21/04
Total number of patents in this class: 7
10-year publication summary
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0
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31036 |
1 |
| Ricoh Company, Ltd. | 13279 |
1 |
| Au Optronics Corporation | 3496 |
1 |
| Korea Gas Corporation | 115 |
1 |
| The United States of America as represented by the Secretary of the Air Force | 843 |
1 |
| Westbay, LLC | 2 |
1 |
| AMERICO GONZALES, Julio | 1 |
1 |
| Other owners | 0 |