• 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 piezoelectric meansElectromechanical 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: 37

10-year publication summary

1
0
9
2
3
6
1
5
1
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
The Swatch Group Research and Development Ltd
878
10
ETA SA Manufacture Horlogere Suisse
706
9
Realization Desal AG
31
5
SII Crystal Technology Inc.
21
2
Seiko Epson Corporation
20248
1
citizen Watch Co., Ltd.
1087
1
Daishinku Corporation
259
1
Miniswys SA
26
1
Rolex S.A.
725
1
Silmach
26
1
Universite de Franche-comte
178
1
Centre National de La Recherche Scientifique (cnrs)
3017
1
Micro Crystal SA
3
1
Ibule Photonics
4
1
Seiko Watch Corporation
112
1
Other owners 0