- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 3/12 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork driven by magnetostrictive means
Patent holdings for IPC class G04C 3/12
Total number of patents in this class: 34
10-year publication summary
|
2
|
1
|
1
|
0
|
9
|
2
|
3
|
6
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ETA SA Manufacture Horlogere Suisse | 638 |
9 |
| The Swatch Group Research and Development Ltd | 778 |
7 |
| Realization Desal AG | 22 |
3 |
| Seiko Epson Corporation | 18724 |
2 |
| SII Crystal Technology Inc. | 21 |
2 |
| Silmach | 28 |
2 |
| Seiko Instruments Inc. | 660 |
1 |
| citizen Watch Co., Ltd. | 1062 |
1 |
| Daishinku Corporation | 220 |
1 |
| Miniswys SA | 25 |
1 |
| Rolex S.A. | 606 |
1 |
| Universite de Franche-comte | 178 |
1 |
| Centre National de La Recherche Scientifique (cnrs) | 3191 |
1 |
| Micro Crystal SA | 1 |
1 |
| Ibule Photonics | 4 |
1 |
| Other owners | 0 |