- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 15/00 - Clocks driven by synchronous motors
Patent holdings for IPC class G04C 15/00
Total number of patents in this class: 10
10-year publication summary
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0
|
1
|
0
|
0
|
1
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1
|
0
|
0
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0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ETA SA Manufacture Horlogere Suisse | 682 |
3 |
| Seiko Epson Corporation | 19371 |
2 |
| Casio Computer Co., Ltd. | 3432 |
1 |
| citizen Holdings Co., Ltd. | 305 |
1 |
| citizen Watch Co., Ltd. | 1075 |
1 |
| Nihon Techno Co., Ltd. | 20 |
1 |
| Ritual Science, LLC | 1 |
1 |
| Other owners | 0 |