- All sections
- G - Physics
- G04B - Mechanically-driven clocks or watchesmechanical parts of clocks or watches in generaltime-pieces using the position of the sun, moon, or stars
- G04B 19/04 - HandsDiscs with a single mark or the like
Patent holdings for IPC class G04B 19/04
Total number of patents in this class: 319
10-year publication summary
|
24
|
59
|
34
|
41
|
30
|
34
|
20
|
19
|
18
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Swatch Group Research and Development Ltd | 861 |
36 |
| Casio Computer Co., Ltd. | 3431 |
33 |
| Seiko Epson Corporation | 19352 |
31 |
| ETA SA Manufacture Horlogere Suisse | 682 |
30 |
| Rolex S.A. | 664 |
15 |
| citizen Watch Co., Ltd. | 1076 |
14 |
| Montres Breguet S.A. | 350 |
13 |
| Blancpain S.A. | 117 |
10 |
| Patek Philippe SA Geneve | 377 |
10 |
| Samsung Display Co., Ltd. | 34696 |
9 |
| Nivarox-FAR S.A. | 281 |
8 |
| Timex Group USA, Inc. | 153 |
7 |
| LG Electronics Inc. | 73021 |
5 |
| Omega SA | 214 |
5 |
| Manufacture D'horlogerie Audemars Piguet SA | 73 |
5 |
| Seiko Watch Corporation | 112 |
5 |
| Seiko Instruments Inc. | 504 |
4 |
| Google LLC | 42196 |
4 |
| Harry Winston SA | 954 |
4 |
| Samsung Electronics Co., Ltd. | 146092 |
3 |
| Other owners | 68 |