Patents/Inventors

Masamichi Tomii

YokohamaJP2 patents

3 Patents

US121537862024
Audio Device, Program, and Playback Control Method
ALPHATHETA CORPORATION
0 cites
US119347382024
Acoustic Device and Music Piece Reproduction Program
ALPHATHETA CORPORATION
0 cites
US117203232023
Audio Device, Program, and Playback Control Method
ALPHATHETA CORPORATION
0 cites