- All sections
- G - Physics
- G04G - Electronic time-pieces
- G04G 13/00 - Producing acoustic time signals
Patent holdings for IPC class G04G 13/00
Total number of patents in this class: 19
10-year publication summary
|
6
|
3
|
1
|
2
|
1
|
4
|
3
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 52680 |
9 |
| Samsung Electronics Co., Ltd. | 138729 |
3 |
| International Business Machines Corporation | 60095 |
1 |
| Casio Computer Co., Ltd. | 3372 |
1 |
| ETA SA Manufacture Horlogere Suisse | 660 |
1 |
| The Swatch Group Research and Development Ltd | 813 |
1 |
| Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd. | 1235 |
1 |
| EM-TECH. Co., Ltd. | 79 |
1 |
| Patmos, Unipessoal Lda | 9 |
1 |
| Other owners | 0 |