Patent holdings for IPC class G10C 3/26

Total number of patents in this class: 34

10-year publication summary

4
2
7
4
1
1
7
1
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Yamaha Corporation
4068
8
Casio Computer Co., Ltd.
3488
5
Sunland Information Technology Co., Ltd.
59
4
Steinway Musical Instruments, Inc.
26
3
Steinway, Inc.
56
2
Sony Group Corporation
15128
2
F & M Palmco LLC
9
2
Kabushiki Kaisha Kawai Gakki Seisakusho
105
1
Yugen Kaisha Fujii Piano Service
8
1
Toyo Piano Mfg. Co., Ltd.
2
1
BAI, Lin
1
1
BITTNER, Ernest
1
1
le Jardin des Pianos, Location de Pianos Inc.
5
1
Tweedie, David R.
1
1
9469-1052 Québec Inc.
1
1
Other owners 0