Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7502485 | Loudspeaker, loudspeaker module, and electronic equipment using the loudspeaker module | Satoshi Itoh, Masahide Sumiyama | 2009-03-10 |
| 7460679 | Flat panel speaker system with a coated diaphragm | Satoshi Itoh, Masahide Sumiyama, Shoji Kamii | 2008-12-02 |
| 7218743 | Speaker module and apparatus using this | Masahide Sumiyama, Satoshi Itoh, Takayoshi Yamasaki | 2007-05-15 |
| 7027031 | Touch sense interface and method for controlling touch sense interface | Haruhisa Kawasaki, Satoshi Ito | 2006-04-11 |