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Inventors
Shunichi Tani
Fukushima
JP
2 patents
3 Patents
US12445778
2025
AV Amplifier
D&M HOLDINGS, Inc.
0 cites
US12342147
2025
Audio Device, Audio System, and Computer-readable Program
D&M HOLDINGS, Inc.
0 cites
US11792574
2023
AV Amplifier
D&M Holdings Inc.
0 cites