Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8311240 | Audio signal processing apparatus and audio signal processing method | Shinichi Inoue | 2012-11-13 |
| 7424121 | Audio signal processing method and audio signal processing apparatus | — | 2008-09-09 |
| 7203327 | Apparatus for and method of processing audio signal | — | 2007-04-10 |
| 5802186 | Audio signal processing apparatus | — | 1998-09-01 |
| 5187289 | Method of preparing 2-phenyl benzotriazoles | Naohiko Fukuoka, Kunitoshi Iguchi | 1993-02-16 |
| 5104992 | Method of preparing 2-phenyl benezothriazoles | Naohiko Fukuoka, Kunitoshi Iguchi | 1992-04-14 |