- All sections
- G - Physics
- G10C - Pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
- G10C 3/22 - Actions specially adapted for grand pianos
Patent holdings for IPC class G10C 3/22
Total number of patents in this class: 11
10-year publication summary
|
3
|
2
|
2
|
0
|
0
|
0
|
1
|
0
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4069 |
7 |
| Kabushiki Kaisha Kawai Gakki Seisakusho | 107 |
3 |
| Sunland Information Technology Co., Ltd. | 59 |
1 |
| Other owners | 0 |