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Inventors
Yuji Takahashi
Tokyo
JP
2 patents
3 Patents
US12443357
2025
Memory System and Method
Sony Group Corporation
0 cites
US11862134
2024
Key Support Structure of Keyboard Device
YAMAHA CORPORATION
0 cites
US11545119
2023
Rotation Mechanism and Keyboard Apparatus
YAMAHA CORPORATION
0 cites