- All sections
- A - Human necessities
- A61C - Dentistryapparatus or methods for oral or dental hygiene
- A61C 13/32 - Stress-breakers
Patent holdings for IPC class A61C 13/32
Total number of patents in this class: 2
10-year publication summary
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0
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0
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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
|
|---|---|---|
| National University Corporation Kumamoto University | 413 |
1 |
| The University of Tokushima | 76 |
1 |
| Other owners | 0 |