- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 11/00 - Synchronisation of independently-driven clocks
Patent holdings for IPC class G04C 11/00
Total number of patents in this class: 51
10-year publication summary
|
4
|
2
|
4
|
7
|
3
|
7
|
2
|
1
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
7 |
| Casio Computer Co., Ltd. | 3343 |
6 |
| J.J. Mackay Canada Limited | 79 |
6 |
| ETA SA Manufacture Horlogere Suisse | 638 |
3 |
| The Swatch Group Research and Development Ltd | 778 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Amazon Technologies, Inc. | 24422 |
2 |
| Montres Breguet S.A. | 349 |
2 |
| Apple Inc. | 50209 |
1 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Brother Industries, Ltd. | 13000 |
1 |
| Lockheed Martin Corporation | 3406 |
1 |
| 1281042 Alberta Ltd. | 1 |
1 |
| Cidra Corporate Services, Inc. | 208 |
1 |
| EM Microelectronic-Marin SA | 227 |
1 |
| Korea Electronics Technology Institute | 1358 |
1 |
| Mellanox Technologies Ltd. | 1097 |
1 |
| Schneider Electric Industries SAS | 1376 |
1 |
| Other owners | 8 |