Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700153 | Relay device for rotating members | Satoshi Ishikawa, Hiroaki Iizuka | 1997-12-23 |
| 5684881 | Sound field and sound image control apparatus and method | Mitsuhiko Serikawa, Ryou Tagami, Masaharu Matsumoto, Mikio Oda, Hiroko Numazu | 1997-11-04 |
| 5677987 | Feedback detector and suppressor | Nobuyuki Seki, Kazuhiro Onizuka | 1997-10-14 |
| 5617478 | Sound reproduction system and a sound reproduction method | Ryou Tagami, Takeshi Norimatsu, Masaharu Matsumoto, Mikio Oda, Mitsuhiko Serikawa +1 more | 1997-04-01 |