- All sections
- G - Physics
- G04R - Radio-controlled time-pieces
- G04R 40/00 - Correcting the clock frequency
Patent holdings for IPC class G04R 40/00
Total number of patents in this class: 6
10-year publication summary
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1
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0
|
1
|
0
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0
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0
|
1
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0
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1
|
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
|
|---|---|---|
| NEC Corporation | 35879 |
1 |
| Casio Computer Co., Ltd. | 3432 |
1 |
| Finite State Machine Labs Inc. | 10 |
1 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 326 |
1 |
| Realization Desal AG | 31 |
1 |
| Olinkstar Corporation, Ltd. | 4 |
1 |
| Other owners | 0 |