- All sections
- G - Physics
- G10D - Stringed musical instrumentswind musical instrumentsaccordions or concertinaspercussion musical instrumentsaeolian harps singing-flame musical instrumentsmusical instruments not otherwise provided for
- G10D 9/04 - ValvesValve controls
Patent holdings for IPC class G10D 9/04
Total number of patents in this class: 38
10-year publication summary
|
5
|
10
|
8
|
8
|
7
|
0
|
3
|
3
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Corporation | 4089 |
5 |
| Key Leaves Inc., DBA Key Leaves | 11 |
3 |
| Nuvo Instrumental (Asia) Ltd | 20 |
3 |
| Warwick Music Limited | 33 |
3 |
| Conn-Selmer, Inc. | 120 |
2 |
| Wichita State University | 125 |
2 |
| Cannonball Musical Instruments, LLC | 25 |
1 |
| The Geoghegan Company | 2 |
1 |
| Henri Selmer Paris | 41 |
1 |
| Highres BioSolutions, Inc. | 56 |
1 |
| K.H.S. Musical Instrument Co., Ltd. | 55 |
1 |
| Matth. Hohner AG. | 2 |
1 |
| Reliance International Corp. | 68 |
1 |
| Kone Oyj | 2070 |
1 |
| Eastman Brass Instruments, LLC | 1 |
1 |
| Nuvo Instrumental (Asia) Ltd. | 5 |
1 |
| Wanne, Inc. | 10 |
1 |
| Ciel Co., Ltd. | 7 |
1 |
| Haute Ecole de Musique de Genève | 1 |
1 |
| JL Manufacture D'instruments de Musique et Prestations Liees | 1 |
1 |
| Other owners | 6 |