- All sections
- G - Physics
- G10C - Pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
- G10C 3/18 - Hammers
Patent holdings for IPC class G10C 3/18
Total number of patents in this class: 65
10-year publication summary
|
3
|
6
|
9
|
4
|
6
|
2
|
3
|
4
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4079 |
23 |
| Kabushiki Kaisha Kawai Gakki Seisakusho | 101 |
13 |
| Casio Computer Co., Ltd. | 3388 |
9 |
| Yugen Kaisha Fujii Piano Service | 8 |
4 |
| Steinway, Inc. | 58 |
2 |
| Wessell, Nickel & Gross | 4 |
2 |
| le Jardin des Pianos, Location de Pianos Inc. | 5 |
2 |
| Goodbuy Corporation S.A. | 5 |
1 |
| Kawai Musical Instruments Manufacturing Co., Ltd. | 29 |
1 |
| Roland Corporation | 706 |
1 |
| Steinway Musical Instruments, Inc. | 25 |
1 |
| Vintage Vibe LLC | 6 |
1 |
| Yugen Kaisha Fuji Piano Service | 1 |
1 |
| Toyo Piano Mfg. Co., Ltd. | 3 |
1 |
| Kabushiki Kaisha Kawai Seisakusho | 1 |
1 |
| Octave, Inc. | 1 |
1 |
| Seven Birds Ltd. | 3 |
1 |
| Other owners | 0 |