- All sections
- G - Physics
- G04B - Mechanically-driven clocks or watches; mechanical parts of clocks or watches in general; time-pieces using the position of the sun, moon, or stars
- G04B 43/00 - Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
Patent holdings for IPC class G04B 43/00
Total number of patents in this class: 78
10-year publication summary
|
1
|
7
|
3
|
14
|
7
|
4
|
5
|
12
|
12
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nivarox-FAR S.A. | 265 |
15 |
| Omega SA | 197 |
10 |
| Casio Computer Co., Ltd. | 3343 |
8 |
| The Swatch Group Research and Development Ltd | 778 |
8 |
| Seiko Epson Corporation | 18724 |
5 |
| ETA SA Manufacture Horlogere Suisse | 638 |
5 |
| Rolex S.A. | 606 |
5 |
| Richemont International SA | 1061 |
4 |
| Montres Breguet S.A. | 349 |
3 |
| Blancpain S.A. | 111 |
2 |
| citizen Watch Co., Ltd. | 1062 |
2 |
| Patek Philippe SA Geneve | 355 |
2 |
| Timex Group USA, Inc. | 157 |
2 |
| Murata Manufacturing Co., Ltd. | 22355 |
1 |
| Ball Watch Company SA | 8 |
1 |
| Montres Wyler SA Geneve | 1 |
1 |
| Preciflex SA | 53 |
1 |
| Creaditive AG | 6 |
1 |
| Timelink AG | 2 |
1 |
| Rewary GmbH | 2 |
1 |
| Other owners | 0 |