- 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 19/00 - Indicating the time by visual means
Patent holdings for IPC class G04B 19/00
Total number of patents in this class: 86
10-year publication summary
|
12
|
10
|
5
|
5
|
3
|
1
|
4
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ETA SA Manufacture Horlogere Suisse | 681 |
8 |
| Preciflex SA | 57 |
5 |
| Casio Computer Co., Ltd. | 3430 |
4 |
| citizen Watch Co., Ltd. | 1076 |
4 |
| Seiko Epson Corporation | 19327 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11398 |
3 |
| The Swatch Group Research and Development Ltd | 841 |
3 |
| Harry Winston SA | 954 |
2 |
| Montres Breguet S.A. | 350 |
2 |
| Montres Jaquet Droz SA | 39 |
2 |
| Nihon Techno Co., Ltd. | 20 |
2 |
| Conair Corporation | 168 |
1 |
| Nike, Inc. | 14122 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
1 |
| Omron Healthcare Co., Ltd. | 1869 |
1 |
| JPMorgan Chase Bank, National Association | 8558 |
1 |
| Boe Technology Group Co., Ltd. | 41047 |
1 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3882 |
1 |
| Bulgari Horlogerie SA | 50 |
1 |
| CeramTec-ETEC GmbH | 20 |
1 |
| Other owners | 39 |