- 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 19/32 - Illumination of dials or hands by luminescent substances
Patent holdings for IPC class G04B 19/32
Total number of patents in this class: 39
10-year publication summary
|
5
|
1
|
0
|
4
|
5
|
3
|
4
|
3
|
3
|
1
|
| 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 |
13 |
| Casio Computer Co., Ltd. | 3343 |
3 |
| ETA SA Manufacture Horlogere Suisse | 638 |
3 |
| MB-Microtec AG | 43 |
2 |
| Preciflex SA | 53 |
2 |
| Rolex S.A. | 606 |
2 |
| Seiko Epson Corporation | 18724 |
1 |
| Seiko Instruments Inc. | 660 |
1 |
| Fossil, Inc. | 17 |
1 |
| Lange Uhren GmbH | 118 |
1 |
| Mondaine Watch Ltd. | 21 |
1 |
| Nemoto & Co., Ltd. | 27 |
1 |
| Nivarox-FAR S.A. | 265 |
1 |
| Omega SA | 197 |
1 |
| SICPA Holding SA | 881 |
1 |
| The Swatch Group Management Services AG | 73 |
1 |
| Timex Group B.V. | 24 |
1 |
| Tsuen JER Enterprise Co., Ltd. | 2 |
1 |
| Adamant Namiki Precision Jewel Co., Ltd. | 100 |
1 |
| Orbray Co., Ltd. | 27 |
1 |
| Other owners | 0 |