- All sections
- G - Physics
- G10D - Stringed musical instruments; wind musical instruments; accordions or concertinas; percussion musical instruments; aeolian harps; singing-flame musical instruments; musical instruments not otherwise provided for
- G10D 13/20 - Drumheads
Patent holdings for IPC class G10D 13/20
Total number of patents in this class: 21
10-year publication summary
2
|
3
|
2
|
1
|
4
|
10
|
7
|
4
|
4
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Roland Corporation | 667 |
3 |
D'Addario & Company, Inc. | 181 |
2 |
Remo, Inc. | 88 |
2 |
Sonuus Limited | 16 |
2 |
Welch Tuning Systems, Inc. | 13 |
2 |
Play Music With Friends LLC | 3 |
2 |
Drum Workshop, Inc. | 203 |
1 |
Hoshino Gakki Co., Ltd. | 181 |
1 |
Landscape Structures, Inc. | 222 |
1 |
Millender, Samuel Earl, Jr. | 1 |
1 |
Independent Drum Lab LLC | 2 |
1 |
Zhangzhou Hanqi Musical Instruments Co., Ltd. | 1 |
1 |
Trusound Drums LLC | 1 |
1 |
Precious CarGo IP Ventures LLC | 1 |
1 |
Other owners | 0 |