- 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 19/32 - Illumination of dials or hands by luminescent substances
Patent holdings for IPC class G04B 19/32
Total number of patents in this class: 44
10-year publication summary
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0
|
4
|
5
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3
|
4
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4
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3
|
4
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0
|
2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Swatch Group Research and Development Ltd | 877 |
17 |
| ETA SA Manufacture Horlogere Suisse | 703 |
4 |
| Casio Computer Co., Ltd. | 3491 |
3 |
| MB-Microtec AG | 50 |
2 |
| Preciflex SA | 63 |
2 |
| Rolex S.A. | 730 |
2 |
| Seiko Epson Corporation | 20337 |
1 |
| citizen Watch Co., Ltd. | 1090 |
1 |
| Fossil, Inc. | 2 |
1 |
| Lange Uhren GmbH | 110 |
1 |
| Mondaine Watch Ltd. | 23 |
1 |
| Nemoto & Co., Ltd. | 23 |
1 |
| Nivarox-FAR S.A. | 287 |
1 |
| Omega SA | 220 |
1 |
| SICPA Holding SA | 957 |
1 |
| The Swatch Group Management Services AG | 6 |
1 |
| Tsuen JER Enterprise Co., Ltd. | 3 |
1 |
| Adamant Namiki Precision Jewel Co., Ltd. | 89 |
1 |
| Orbray Co., Ltd. | 47 |
1 |
| Seiko Watch Corporation | 111 |
1 |
| Other owners | 0 |