- All sections
- G - Physics
- G10C - Pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
- G10C 3/04 - Frames; Bridges; Bars
Patent holdings for IPC class G10C 3/04
Total number of patents in this class: 26
10-year publication summary
|
5
|
3
|
0
|
5
|
1
|
0
|
3
|
5
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4054 |
5 |
| Casio Computer Co., Ltd. | 3343 |
3 |
| Steinway Musical Instruments, Inc. | 20 |
3 |
| Kabushiki Kaisha Kawai Gakki Seisakusho | 101 |
2 |
| Enzenauer Flugel-manufaktur GmbH | 2 |
2 |
| Kawai Musical Instruments Manufacturing Co., Ltd. | 26 |
1 |
| Roland Corporation | 667 |
1 |
| Schimmel Verwaltungsgesellschaft mbH | 22 |
1 |
| Stone Tone Music, Inc. | 2 |
1 |
| Vioga GmbH | 3 |
1 |
| Ciel Co., Ltd. | 7 |
1 |
| Keybird Instruments IVS | 2 |
1 |
| Faith 21 Corporation | 2 |
1 |
| Ghensow Japan Inc. | 3 |
1 |
| Keybird Instruments ApS | 1 |
1 |
| Future Piano Limited | 1 |
1 |
| Other owners | 0 |