- All sections
- A - Human necessities
- A61C - Dentistry; apparatus 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: 3
10-year publication summary
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National University Corporation Kumamoto University | 371 |
1 |
| The University of Tokushima | 115 |
1 |
| Brain Base Corporation | 2 |
1 |
| Other owners | 0 |