Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |