- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 21/02 - Constructional details
Patent holdings for IPC class G04C 21/02
Total number of patents in this class: 12
10-year publication summary
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0
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1
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0
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0
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0
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0
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1
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0
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2
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158605 |
2 |
| Montres Breguet S.A. | 362 |
2 |
| Casio Computer Co., Ltd. | 3491 |
1 |
| Bose Corporation | 3095 |
1 |
| HUBLOT SA, Geneve | 159 |
1 |
| Sejong Industry-Academia Cooperation Foundation, Hongik University | 7 |
1 |
| EM-TECH. Co., Ltd. | 88 |
1 |
| KO, Hyun Seok | 2 |
1 |
| KO, In Seok | 2 |
1 |
| Seiko Watch Corporation | 111 |
1 |
| Other owners | 0 |