Patents/Inventors

Yoshifumi Oizumi

HamamatsuJP4 patents

4 Patents

US125812322026
Sound Collection Control Method and Sound Collection Apparatus
YAMAHA CORPORATION
0 cites
US124392162025
Microphone State Display Method and Microphone State Display Apparatus
Yamaha Corporation
0 cites
US123758472025
Phone Booth and Method of Controlling Output of Directional Speaker
YAMAHA CORPORATION
0 cites
US120819372024
Sound Emitting Apparatus
Yamaha Corporation
0 cites