- All sections
- G - Physics
- G04R - Radio-controlled time-pieces
- G04R 20/20 - Setting the time according to the time information carried or implied by the radio signal the radio signal being an AM/FM standard signal, e.g. RDS
Patent holdings for IPC class G04R 20/20
Total number of patents in this class: 2
10-year publication summary
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0
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0
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Casio Computer Co., Ltd. | 3461 |
1 |
| Sharp Kabushiki Kaisha | 18635 |
1 |
| Other owners | 0 |