- 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 19/12 - Selection of materials for dials or graduations
Patent holdings for IPC class G04B 19/12
Total number of patents in this class: 137
10-year publication summary
|
9
|
10
|
10
|
13
|
16
|
19
|
21
|
11
|
15
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Swatch Group Research and Development Ltd | 778 |
30 |
| Seiko Epson Corporation | 18724 |
13 |
| Rolex S.A. | 606 |
12 |
| ETA SA Manufacture Horlogere Suisse | 638 |
11 |
| Omega SA | 197 |
9 |
| Nivarox-FAR S.A. | 265 |
8 |
| Casio Computer Co., Ltd. | 3343 |
5 |
| Samsung Display Co., Ltd. | 30585 |
4 |
| citizen Watch Co., Ltd. | 1062 |
4 |
| Comadur S.A. | 81 |
4 |
| Montres Rado S.A. | 14 |
4 |
| Rubattel & Weyermann S.A. | 8 |
3 |
| Rubattel et Weyermann S.A. | 3 |
3 |
| Seiko Instruments Inc. | 660 |
2 |
| Dayton Technologies Limited | 17 |
2 |
| HUBLOT SA, Geneve | 151 |
2 |
| Les Ateliers Horlogers Dior SA | 4 |
2 |
| Titan Company Limited | 59 |
2 |
| Adamant Namiki Precision Jewel Co., Ltd. | 100 |
2 |
| Realization Desal AG | 22 |
2 |
| Other owners | 13 |