Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796845 | Sound field and sound image control apparatus and method | Mitsuhiko Serikawa, Akihisa Kawamura, Masaharu Matsumoto, Mikio Oda, Hiroko Numazu | 1998-08-18 |
| 5684881 | Sound field and sound image control apparatus and method | Mitsuhiko Serikawa, Akihisa Kawamura, Masaharu Matsumoto, Mikio Oda, Hiroko Numazu | 1997-11-04 |
| 5617478 | Sound reproduction system and a sound reproduction method | Takeshi Norimatsu, Masaharu Matsumoto, Mikio Oda, Mitsuhiko Serikawa, Akihisa Kawamura +1 more | 1997-04-01 |
| 5572591 | Sound field controller | Hiroko Numazu, Masaharu Matsumoto, Akihisa Kawamura, Mikio Oda | 1996-11-05 |