- All sections
- G - Physics
- G10C - Pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
- G10C 3/23 - Actions specially adapted for grand pianos with hammers mounted above the strings, striking downwards
Patent holdings for IPC class G10C 3/23
Total number of patents in this class: 2
10-year publication summary
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0
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4074 |
1 |
| Casio Computer Co., Ltd. | 3503 |
1 |
| Other owners | 0 |