- All sections
- G - Physics
- G04R - Radio-controlled time-pieces
- G04R 40/02 - Correcting the clock frequency by phase locking
Patent holdings for IPC class G04R 40/02
Total number of patents in this class: 3
10-year publication summary
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0
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0
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0
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0
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1
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19458 |
1 |
| Ciena Corporation | 2035 |
1 |
| Microchip Technology Incorporated | 2879 |
1 |
| Other owners | 0 |